Each mole of al(no3)3 contains how many moles of oxygen atoms? 1. 3 mol 2. 9 mol 3. 12 mol 4. 1 mol 5. 6 mol

Answers

Answer 1

Each mole of the Al(NO₃)₃ contains number of the moles of oxygen atoms 1.3 mol of the oxygen atoms.

The one mole of the Al(NO₃)₃  is as :

In the one mole of the Al(NO₃)₃ contain the 1 atom of the Aluminum,

The 3 atoms of the Nitrogen,

The 9 atoms of the oxygen

The 1 mole of the atoms = 6.022 × 10²³ atoms

The number of the oxygen atoms = 9 atoms of the oxygen

The number of the moles of the oxygen in the 1 mole of the Al(NO₃)₃ :

The 9 atoms of the oxygen = 1.3 mol

Thus, in the 1 mole of the Aluminum nitrate, there will be the 1.3 mol of the oxygen atom.

To learn more about moles here

https://brainly.com/question/22368487

#SPJ4


Related Questions

A mixture consisting of 1 mol of H2O(g) and
1 mol CO(g) is placed in a 14 L reaction vessel
at 800 K. At equilibrium, 0.42 mol CO2(g) is
present as a result of the reaction
CO(g) + H2O(g) ⇀↽ CO2(g) + H2(g).
What is Kc at 800 K?

Answers

The equilibrium constant (Kc) for the given reaction at 800 K is 1.

What is Equilibrium?

Chemical equilibrium is described by the equilibrium constant, which is a numerical value that quantitatively expresses the ratio of concentrations (or partial pressures) of reactants and products at equilibrium. The equilibrium constant is denoted by the symbol K, and its value depends on the specific chemical reaction and the temperature at which the reaction occurs.

According to the given information, at equilibrium, the concentration of C[tex]O_{2}[/tex] is 0.42 mol in a 14 L reaction vessel. Therefore, the equilibrium concentration of C[tex]O_{2}[/tex] ([C[tex]O_{2}[/tex]]) is 0.42 mol / 14 L = 0.03 mol/L.

The concentrations of CO ([CO]) and [tex]H_{2}O[/tex]([[tex]H_{2}O[/tex]]) at equilibrium can be calculated using the initial moles and the change in moles for each species. Since 1 mol of CO reacts with 1 mol of [tex]H_{2}O[/tex] to produce 1 mol of C[tex]O_{2}[/tex], the change in moles for CO and H2O is also 0.42 mol.

Equilibrium concentration of CO ([CO]) = Initial moles of CO - Change in moles of CO = 1 mol - 0.42 mol = 0.58 mol

Equilibrium concentration of [tex]H_{2}O[/tex] ([tex]H_{2}O[/tex]]) = Initial moles of [tex]H_{2}O[/tex] - Change in moles of [tex]H_{2}O[/tex] = 1 mol - 0.42 mol = 0.58 mol

Now, we can substitute these equilibrium concentrations into the equilibrium expression for Kc:

Kc = [C[tex]O_{2}[/tex]] / ([CO] * [[tex]H_{2}O[/tex]])

Plugging in the values:

Kc = (0.42)(0.42) / (0.42 * 0.42)

Kc = 1

So, the equilibrium constant (Kc) for the given reaction at 800 K is 1.

Learn more about Equilibrium from the given link

brainly.com/question/18849238

#SPJ1

when 107 people in the united states died in 1937 from taking elixir sulfanilamide containing diethylene glycol that causes kidney poisoning, why was the federal government unable to intervene on the grounds that the mixture was toxic?

Answers

The federal government was unable to intervene in elixir sulfanilamide containing diethylene glycol that causes kidney poisoning as there was no legal requirement that medicine be safe.

In 1937, a sulfonamide antibiotic called elixir sulfanilamide, which was incorrectly made, poisoned large numbers of people in the United States. Over a hundred individuals are said to have died as a result. The 1938 Federal Food, Drug, and Cosmetic Act was passed in response to the uproar produced by this episode and subsequent tragedies of a similar nature, greatly expanding the authority of the Food and Drug Administration to regulate pharmaceuticals.

A warning that Elixir Sulfanilamide was poisonous and lethal was promptly published in newspapers and broadcast on radio once the AMA laboratory identified diethylene glycol as the dangerous component. On the 14th, a doctor in New York was informed of the fatalities and immediately contacted Food and Drug Administration headquarters.

Learn more about Elixir sulfanilamide:

https://brainly.com/question/30902703

#SPJ4

q23.39 - level 3 homeworkunanswereddue apr 12th, 11:30 am 3-methylbutanoic acid, produced by bacteria from leucine, is a component of wine flavor and is responsible for foot odor. which alkylating agent(s) should be used for the malonic ester synthesis of 3-methylbutanoic acid?

Answers

2-Bromopropane should be used for the malonic ester synthesis of 3-methylbutanoic acid.

A sequence of events known as the malonic ester synthesis transform an alkyl halide into a carboxylic acid with two extra carbons. The generation of -alkylated carboxylic acids, which cannot be produced via direct alkylation, is one significant usage of this synthetic process.

A malonic ester, a diester derivative of malonic acid, serves as the catalyst for this reaction. The malonic ester most frequently employed in pathways is diethyl propanedioate, also called diethyl malonate. Diethyl malonate, which is a 1,3-dicarbonyl molecule, can be converted to its enolate using sodium ethoxide as a base since its -hydrogens are relatively acidic (pKa = 12.6). Given the potential for a transesterification reaction, other alkoxide bases are normally not utilised.

To learn more about malonic ester, refer:

brainly.com/question/31369630

#SPJ4

an a Use the You need to make ar solid barium sulfide should you add?

Answers

To make solid barium sulfide, you would need to react barium metal with elemental sulfur. The balanced chemical equation for this reaction is:

Ba(s) + S(s) → BaS(s)

To carry out this reaction, you would need to add excess sulfur to the barium metal. This ensures that all the barium is consumed in the reaction, and no excess barium remains. The excess sulfur can be removed by washing the product with a suitable solvent.

It is important to note that the reaction between barium and sulfur can be exothermic, releasing heat and potentially causing a fire or explosion. Therefore, appropriate safety precautions, such as wearing gloves and eye protection and working in a well-ventilated area, should be taken when carrying out this reaction.

Learn more about barium sulfide,

https://brainly.com/question/18402799

#SPJ4

To make a solid barium sulfide (BaS) you would need to add sulfur (S) to barium (Ba) in a stoichiometric ratio of 1:1. This means that for every one mole of barium, you would need one mole of sulfur.

The reaction can be represented by the following chemical equation:

Ba + S → BaS

To carry out this reaction, you could start with a sample of metallic barium and add elemental sulfur powder to it, in a ratio of 1:1 by mole. The reaction between the two elements will produce solid barium sulfide.

It is important to note that this reaction can be highly exothermic, so appropriate safety precautions should be taken. Additionally, barium sulfide is a toxic and reactive compound, and should be handled with care.

For more question on barium sulfide click on

https://brainly.com/question/31013085

#SPJ11

During chemistry class, Carl performed several lab test on two white solids. The results of three tests are seen in the data table. Based on this data, Carl has concluded that substance B must have ______ bonds.

Answers

Carl has concluded that substance have ionic bonds.

How can you tell whether or not a covalent bond is polar?

The usual guideline is that a bond is considered nonpolar if the difference in electronegativities is less than or equal to 0.4, while there are no hard and fast rules, and polar if the difference is greater.

What sort of covalent bond has a non-polar example?

The bond between two hydrogen atoms is an illustration of a nonpolar covalent bond since they equally share electrons. The bond between two chlorine atoms is another illustration of a nonpolar covalent bond since they also equally share electrons.

To know more about ionic bonds visit:-

https://brainly.com/question/11527546

#SPJ1

Question:

During che distry class, Cort performed several lab tests on two white solids. The results of three tests are seen in the data table. Based on this data, Carl has concluded that substance have ________ bonds.

A) covalent

B) diatomic

C) ionic

D) metallic

Help what's the answer?

Answers

Answer:

91

Explanation:

ok

a 88.06 g sample of calcium hydroxide is dissolved in enough water to make 1.520 liters of solution. calculate the volume in ml of this solution that must be diluted with water in order to make 2.100 l of 0.250 m calcium hydroxide. what is the coefficient of your answer in scientific notation?

Answers

First, let's calculate the number of moles of calcium hydroxide in the initial solution:

88.06 g Ca(OH)2 = 88.06/74.093 g/mol = 1.188 mol Ca(OH)2
To make 2.100 L of 0.250 M solution, we need:

2.100 L x 0.250 mol/L = 0.525 mol Ca(OH)2
Let's call the volume of the initial solution that we need to dilute "V":

V x (1.188 mol/1.520 L) = 0.525 mol/2.100 L
Solving for V, we get:

V = (0.525 mol/2.100 L) x (1.520 L/1.188 mol) = 0.336 L = 336 mL
The coefficient of this answer in scientific notation is 3.36 x 10^2.

Escriba ecuaciones iónicas netas balanceadas para las reacciones qué ocurren en cada uno de los casos siguientes. Identifique el o los iones espectadores de cada reacción. (a) Cr2(SO4)3(ac) + (NH4)2CO3(ac)=
(b) AgNO3(ac) + K2SO4(ac) =
(c) Pb(NO3)2(ac)+KOH(ac)=

Answers

(a) Balanced net ionic equation: Cr³⁺(aq) + 3CO₃²⁻(aq) → Cr₂(CO₃)₃(s); spectator ions: 2NH₄⁺(aq) and 3SO₄²⁻(aq).

(b) Balanced net ionic equation: Ag+(aq) + SO₄²⁻(aq) → Ag₂SO₄(s); spectator ions: K⁺(aq) and NO₃⁻(aq).

(c) Balanced net ionic equation: Pb²⁺(aq) + 2OH⁻(aq) → Pb(OH)₂(s); spectator ions: 2K⁺(aq) and 2NO₃⁻(aq).

(a) To write the balanced net ionic equation for the reaction between Cr₂(SO₄)₃ and (NH₄)₂CO₃, we first need to write the complete ionic equation:

Cr₂(SO₄)₃(aq) + 3(NH₄)₂CO₃(aq) → 2Cr(NO₃)₃(aq) + 3(NH₄)2SO₄(aq) + 3CO₂(g)

Then, we eliminate the spectator ions (NH₄⁺ and SO₄²⁻) to get the net ionic equation:

Cr³⁺(aq) + 3CO₃²⁻(aq) → Cr₂(CO₃)₃(s)

(b) For the reaction between AgNO₃ and K₂SO₄, the complete ionic equation is:

AgNO₃(aq) + K₂SO₄(aq) → 2KNO₃(aq) + Ag₂SO₄(s)

Eliminating the spectator ions (K⁺ and NO₃⁻) gives the net ionic equation:

Ag⁺(aq) + SO₄²⁻(aq) → Ag₂SO₄(s)

(c) Finally, for the reaction between Pb(NO₃)₂ and KOH, the complete ionic equation is:

Pb(NO₃)₂(aq) + 2KOH(aq) → Pb(OH)₂(s) + 2KNO₃(aq)

Eliminating the spectator ions (K⁺ and NO₃⁻) gives the net ionic equation:

Pb²⁺(aq) + 2OH⁻(aq) → Pb(OH)₂(s)

To learn more about Balanced net ionic equations, here

https://brainly.com/question/15467502

#SPJ4

g a 25.0-ml sample of 0.10 m hcl is titrated with 0.10 m naoh. what is the ph of the solution after 12.7 ml of naoh have been added to the acid? please report with 1 decimal place.

Answers

A 25.0-ml sample of 0.10 M HCl is titrated with the 0.10 M NaOH. The pH of the solution after the 12.7 ml of NaOH have been added to the acid is 1.4.

The moles of the HCl = molarity × volume

The moles of the HCl = 0.10  × 0.025

The moles of the HCl = 0.0025 mol

The moles of the NaOH = molarity × volume

The moles of the NaOH = 0.10  × 0.0127

The moles of NaOH = 0.00127 mol

HCl  +  NaOH ----> NaCl  +  H₂O

0.0025 mol of the HCl  react with the 0.0025 mol

Remaining moles =  0.0025 - 0.00127

                             = 0.00123 mol

[H⁺] = 0.00123 / ( 0.025 + 0.0127)

       = 0.033 M

pH = - log [H⁺]

pH = 1.4

To learn more about pH here

https://brainly.com/question/9408394

#SPJ4

Scenario - Read the experimental design scenario and complete the IVCDV.
Adam wanted to see if he would get better at an exercise if he repeated the exercise over time. To test
this, he got a clothes pin and opened it and closed it as many times as he could in 60 seconds using only
his thumb and forefinger. He rested for one minute. Then, he did the same thing again. He opened and
closed the clothes pin as many times as he could for 1 minute. He kept doing this until he completed 10
trials with 1 minute rest time in between each trial. If the number of times he opened and closed the
close pin increased, then he got better at the exercise during this 20 minute experiment. If the number of
times he opened and closed the close pin decreased, then he did not get better at the exercise during this
20 minute experiment.

Answers

The repetition of the exercise over time is the IV (independent variable) in this example of an experimental design.

What is exercise?

Exercise is physical activity that is done to maintain or improve one's physical health and fitness. It usually entails exercises like jogging, running, cycling, swimming, weightlifting, or taking part in sports.

Adam is experimenting with the IV to see whether it has an impact on the DV (dependent variable), which is the number of times he can open and shut the clothes pin using only his thumb and forefinger in 60 seconds, by doing the exercise several times. Adam is checking the DV to determine whether there has been a change as a result of the IV.

Adam has regulated various factors to guarantee that the outcomes are trustworthy. For each experiment, he is, for instance, using the same clothes pin, opening and closing it with the same fingers, and timing each trial for exactly 60 seconds. In order to prevent weariness from impairing his performance, Adam is also taking a one-minute break between each session.

The idea is that if Adam performs the exercise repeatedly over time, he will get more adept at it. This theory is predicated on the idea that repetition and practice can enhance a person's capacity to carry out a physical job.

Adam will compare how many times he opened and closed the clothes pin in each trial, starting with the first, to determine the outcomes. The increase in the number indicates that Adam becomes more adept at the practice. If the number falls or stays the same, the hypothesis is refuted, then it may be said that repetition had no positive effect on performance.

Overall, this scenario for an experimental design provides a straightforward yet efficient approach to evaluate the claim that doing a physical activity repeatedly will increase performance. It highlights the significance of limiting variables and calculating the DV to get relevant results.

To know more about exercise, visit:

https://brainly.com/question/13128077

#SPJ1

Solid sodium chloride decomposes into chlorine gas and solid sodium .
what is the balanced chemical equation of this please help im stuck thanks

Answers

2NaCl --> 2Na + Cl2 but I have never seen something this reaction happening

which means of actuation for a co2 system is triggered by a product-of-combustion detector in the co2 system?

Answers

The actuation method triggered by a product-of-combustion detector in a CO2 system is typically referred to as "automatic actuation."

In this method, the product-of-combustion detector senses the presence of a fire or heat source and sends a signal to the CO2 system, causing it to automatically release CO2 to extinguish the fire.

This actuation method is commonly used in areas where fires may start unexpectedly, such as in server rooms, electrical substations, and other critical infrastructure facilities. It provides a fast and effective response to fires, helping to minimize damage and protect personnel.

Learn more about here:

https://brainly.com/question/31123826

#SPJ11

An allosteric enzyme can exist in two states, _____ and _____.
tense; responsive
tense; relaxed
turgid; relaxed
tight; responsive
tight; relaxed

Answers

An allosteric enzyme can exist in two states, "tense" and "relaxed".

An allosteric enzyme is a type of enzyme that has multiple binding sites, including an active site where a substrate molecule binds and a regulatory site where a regulatory molecule (also called an effector) can bind. When a regulatory molecule binds to the regulatory site, it can cause a conformational change in the enzyme, which can affect the enzyme's activity.

Allosteric enzymes can exist in two main conformations or states: tense (T) and relaxed

Visit to know more about Enzyme:-

brainly.com/question/14577353

#SPJ11

suppose that you have a solution of h2so4 with a concentration of 10.0 m. how much of this solution should you use to make 500.0 ml of 3.5 m solution?

Answers

So we need to measure out 175 ml of the 10.0 m H2SO4 solution and dilute it with enough water to make a total volume of 500.0 ml.

To make a 500.0 ml solution of 3.5 m H2SO4, we need to calculate the amount of H2SO4 needed and then dilute it to the desired concentration.
First, we can use the formula for molarity:
Molarity = moles of solute / liters of solution
To find the moles of H2SO4 needed, we can rearrange this formula to:
moles of solute = Molarity x liters of solution
We want to end up with a 3.5 m solution of H2SO4, so:
moles of H2SO4 = 3.5 mol/L x 0.5 L = 1.75 moles
Next, we need to figure out how much of the 10.0 m H2SO4 solution we need to use to get 1.75 moles of H2SO4.
We can use the formula:
moles of solute = concentration x volume (in liters)
Rearranging for volume:
volume = moles of solute / concentration
Plugging in our values:
volume = 1.75 moles / 10.0 mol/L = 0.175 L = 175 ml

Learn more about H2SO4 here:

https://brainly.com/question/12004196

#SPJ11

The rate of a certain reaction with unit of M/s increase by a factor of 4 when [A] doubled and increase by a factor of 27 when [B] triples. What is the unit of rate constant for this reaction?

Answers

The unit of rate constant for this reaction is 1 / (s M⁴).

The rate of the reaction can be expressed as:

rate = k[A]²[B]³

where k is the rate constant and x and y are the orders of reaction with respect to A and B, respectively.

We can use the given information to determine the values of x and y.

When [A] is doubled, the rate increases by a factor of 4. This means:

(rate when [A] is doubled) / (rate when [A] is not doubled) = 4

[(k[2A]^x[B]^y) / (k[A]^x[B]^y)] = 4

2^x = 4

x = 2

Similarly, when [B] is tripled, the rate increases by a factor of 27. This means:

(rate when [B] is tripled) / (rate when [B] is not tripled) = 27

[(k[A]^2[3B]^y) / (k[A]^2[B]^y)] = 27

3^y = 27

y = 3

Substituting the values of x and y in the rate equation,

rate = k[A]²[B]³

The unit of rate constant can be determined as follows:

unit of rate = M/s

unit of [A] = M

unit of [B] = M

unit of rate constant = unit of rate / (unit of [A]² unit of [B]³)

Substituting the units.

unit of rate constant = (M/s) / (M² M³) = 1 / (s M⁴)

To know more about reaction, here

brainly.com/question/17101840

#SPJ4

for the previous light of 671 nm, if a light emitted 0.50 moles of this photon, what is the energy of this light?

Answers

The energy of the light emitted by 0.50 moles of photons with a wavelength of 671 nm is approximately 8.92 * 10^4 Joules.

Let's understand this in detail:

To find the energy of light emitted by 0.50 moles of photons with a wavelength of 671 nm, we can follow these steps:

1. Convert the wavelength to meters: 671 nm * (1 meter / 1,000,000,000 nm) = 6.71 * 10^-7 meters.

2. Calculate the energy of one photon using the Planck's equation: E = hf, where E is energy, h is Planck's constant (6.626 * 10^-34 Js), and f is frequency.

3. To find the frequency, we use the speed of light (c) equation: c = λf, where λ is the wavelength. Rearrange the equation to find the frequency: f = c / λ.

4. Substitute the values and calculate the frequency: f = (3 * 10^8 m/s) / (6.71 * 10^-7 m) = 4.47 * 10^14 Hz.

5. Now, calculate the energy of one photon: E = (6.626 * 10^-34 Js) * (4.47 * 10^14 Hz) = 2.96 * 10^-19 J.

6. Finally, find the energy of 0.50 moles of photons: Energy = (0.50 moles) * (6.022 * 10^23 photons/mole) * (2.96 * 10^-19 J/photon) = 8.92 * 10^4 J.

So, the energy of the light emitted by 0.50 moles of photons with a wavelength of 671 nm is approximately 8.92 * 10^4 Joules.

Learn more about photons: Which of the following could be the energy of a photon in the visible range? https://brainly.com/question/15946945

#SPJ11

The energy of the light emitted by 0.50 moles of photons with a wavelength of 671 nm is approximately 8.93 x [tex]10^4[/tex] J.

To find the energy of the light emitted by 0.50 moles of photons with a wavelength of 671 nm, we can use the following steps:
1. Convert the wavelength to meters: 671 nm = 671 x [tex]10^{(-9)}[/tex] m
2. Calculate the energy of a single photon using Planck's equation: E = h * c / λ, where E is the energy, h is the Planck's constant (6.626 x [tex]10^{(-34)}[/tex] Js), c is the speed of light (3.0 x [tex]10^8[/tex] m/s), and λ is the wavelength in meters.
3. Calculate the total energy of 0.50 moles of photons by multiplying the energy of a single photon by Avogadro's number (6.022 x [tex]10^{(23)}[/tex] particles/mole) and the number of moles (0.50).
Step-by-step calculation:
1. λ = 671 nm = 671 x [tex]10^{(-9)}[/tex] m
2. E (single photon) = (6.626 x [tex]10^{(-34)}[/tex] Js) * (3.0 x [tex]10^8[/tex] m/s) / (671 x [tex]10^{(-9)}[/tex] m) = 2.967 x [tex]10^{(-19)}[/tex] J
3. Total energy = E (single photon) * 0.50 moles * (6.022 x [tex]10^{(23)}[/tex] particles/mole) = (2.967 x [tex]10^{(-19)}[/tex] J) * 0.50 * (6.022 x [tex]10^{(23)}[/tex]) = 8.93 x [tex]10^4[/tex] J
So, the energy of the light emitted by 0.50 moles of photons with a wavelength of 671 nm is approximately 8.93 x 10^4[tex]10^4[/tex] J.

To learn more about moles, refer:-

https://brainly.com/question/26416088

#SPJ11

how would a tendency toward stereotyping and countertransference affect the nurse's ability to complete a client's cultural assessment?
1. Facilitate the care planning process
2. Promote decisions based on the nurses value system
3. Utilize an open honest approach while responding to the client's concerns
4. Develop an unbiased approach to care.

Answers

It  is essential for nurses to be aware of their own biases and prejudices to provide culturally competent care.

If a nurse has a tendency toward stereotyping and countertransference, it can negatively impact their ability to complete a client's cultural assessment in several ways, including:

1. Facilitate the care planning process: Stereotyping and countertransference can prevent the nurse from understanding the client's cultural background, beliefs, and practices. Without this information, the nurse may not be able to develop a comprehensive care plan that meets the client's unique needs.

2. Promote decisions based on the nurse's value system: Stereotyping and countertransference can lead the nurse to make assumptions about the client's values and beliefs based on their own cultural background. This can result in decisions that are not in line with the client's preferences or needs.

3. Utilize an open honest approach while responding to the client's concerns: Stereotyping and countertransference can prevent the nurse from fully listening to and understanding the client's concerns. This can lead to a breakdown in communication and a lack of trust between the nurse and client.

4. Develop an unbiased approach to care: Stereotyping and countertransference can prevent the nurse from developing an unbiased approach to care. This can result in the provision of care that is not culturally sensitive, respectful, or appropriate for the client.

Therefore, it is essential for nurses to be aware of their own biases and prejudices to provide culturally competent care. Nurses must work to identify and address any stereotypes or countertransference that may impact their ability to provide patient-centered care. By doing so, the nurse can develop a more effective approach to care that is respectful, unbiased, and meets the unique needs of each client.

Visit to know more about Competent care:-

brainly.com/question/30624486

#SPJ11

at a certain temperature the solubility of lead(ii) iodide is 0.064 g/100 ml. what is the solubility product of lead(ii) iodide at this temperature? provide your answer rounded to 2 significant figures.

Answers

The solubility product (Ksp) of a substance is a measure of the maximum solubility of that substance in a given solution. It is calculated as the product of the molar concentrations of the ions present in the solution.

In the case of lead(II) iodide, the Ksp can be calculated as the product of the molar concentrations of Pb2+ and I− ions present in the solution.

At the given temperature, the solubility of lead(II) iodide is 0.064 /100 ml. Therefore, the molar concentrations of Pb2+ and I− ions in the solution would be 0.064/100 ml divided by the molar mass of lead(II) iodide (364/mol). This gives a Ksp of 4.07 x 10-9, which can be rounded to 4.1 x 10-9. This is the solubility product of lead(II) iodide at the given temperature.

In summary, the solubility product of lead(II) iodide at a certain temperature is 4.1 x 10-9 when rounded to two significant figures.

Know more about Molar concentrations here

https://brainly.com/question/15532279#

#SPJ11

13.8 g of neon gas is placed in a container at 34 oc and 812 mm hg. what is the volume of the container (in l)?

Answers

The volume of the container is 16.9 L.To find the volume of the container, we can use the ideal gas law: PV = nRT

where P is the pressure in atmospheres (convert 812 mmHg to atm), V is the volume in liters (what we're solving for), n is the number of moles of gas (we're given 13.8 g of neon, which we can convert to moles using the atomic weight), R is the gas constant (0.0821 L·atm/mol·K), and T is the temperature in Kelvin (convert 34°C to K).

First, let's convert the pressure:

812 mmHg = 1.068 atm

Next, let's convert the temperature:

34°C = 307 K

Now, let's convert the mass of neon to moles:

13.8 g / 20.18 g/mol = 0.683 mol

Now we can plug in all the values and solve for V:

V = (nRT) / P
V = (0.683 mol x 0.0821 L·atm/mol·K x 307 K) / 1.068 atm
V = 16.9 L

Learn more about molar mass here: brainly.com/question/22997914

#SPJ11

1. Create a diagram of your electroplating apparatus (an electrolytic cell). Then submit your drawing with the following terms labeled correctly. Or, beginning with the positive terminal of the battery and ending with the negative terminal of the battery, describe the path that the electricity takes and where each of the following occurs:
anode
cathode
copper strip
battery
positive terminal
negative terminal
place where oxidation occurs
place where reduction occurs
electrolyte solution
coin (or nail)
direction of electron flow

2. Write the two half-reactions that occur in this electroplating process. Be sure to include the states of the elements or ions.

Answers

The two half-reactions that occur in this electroplating process are oxidation and reduction. the diagram is attached

What is oxidation?

Oxidation is a chemical reaction in which an atom or molecule either loses or gains electrons. This process results in the oxidation of the atom or molecule, leading to a chemical change in the molecule. Oxidation occurs when electrons are removed from the molecule, causing it to become more positively charged. This can lead to the formation of new molecules, such as oxygen (O₂) and carbon dioxide (CO₂).

Oxidation occurs at the anode, where electrons are released from the copper strip and it is oxidized to form copper ions (Cu²⁺). The copper ions are then dissolved into the electrolyte solution. Reduction occurs at the cathode, where the copper ions in the electrolyte solution are reduced using electrons from the battery and deposited onto the coin (or nail). The direction of electron flow is from the positive terminal of the battery, to the anode, to the electrolyte solution, to the cathode, and finally to the negative terminal of the battery.

To learn more about oxidation
https://brainly.com/question/13182308
#SPJ1

what does a new chromatogram look like after increasing polarity of mobile phase to remove a contaminant peak

Answers

The resulting chromatogram would show a shift in the retention times of the analytes. The peak corresponding to the contaminant may also appear smaller or absent altogether in the new chromatogram. The overall shape and resolution of the chromatogram may be slightly altered due to changes in the mobile phase composition.

The chromatography is the technique of separation of the components from a mixture. The chromatograph is referred to a visible record of the result of the chromatography.The mobile phase is referred to the gas or the liquid which flows with a different rate on the stationary phase.  The mobile phase carries the components of the mixture. It is important for the separation of the components present in the mixture.When increasing the polarity of the mobile phase to remove a contaminant peak, the resulting chromatogram would show a shift in the retention times of the analytes. The contaminant peak would ideally be eluted earlier in the chromatogram, allowing for better separation from the target analytes. The peak corresponding to the contaminant may also appear smaller or absent altogether in the new chromatogram. The overall shape and resolution of the chromatogram may be slightly altered due to changes in the mobile phase composition.

Learn more about mobile phase here:

https://brainly.com/question/30616326

#SPJ11

Read the given chemical reaction.


C2H6 + O2 → CO2 + H2O


How many moles of O2 are required to react completely with 3. 2 moles of C2H6?


3. 5 moles of O2

6. 5 moles of O2

10. 4 moles of O2

11. 2 moles of O2

Answers

11.2 moles of [tex]\rm O_2[/tex] are required to react completely with 3.2 moles of [tex]\rm C_2H_6[/tex]. Therefore option D is correct.

The balanced chemical equation for the complete combustion of [tex]\rm C_2H_6[/tex] (ethane) with oxygen (O2) is: 2 [tex]\rm C_2H_6 + 7 O_2\ - > 4 CO_2 + 6 H_2O[/tex]

From the balanced equation, we can see that 2 moles of [tex]\rm C_2H_6[/tex] react with 7 moles of [tex]\rm O_2[/tex]. To find out how many moles of [tex]\rm O_2[/tex] are required to react completely with 3.2 moles of [tex]\rm C_2H_6[/tex], we can set up a proportion:

(7 moles [tex]\rm O_2[/tex] / 2 moles [tex]\rm C_2H_6[/tex]) = (x moles [tex]\rm O_2[/tex] / 3.2 moles [tex]\rm C_2H_6[/tex])

Solving for x:

x = (7 moles [tex]\rm O_2[/tex] / 2 moles [tex]\rm C_2H_6[/tex]) * 3.2 moles [tex]\rm C_2H_6[/tex]

x = 11.2 moles [tex]\rm O_2[/tex]

So, 11.2 moles of [tex]\rm O_2[/tex] are required to react completely with 3.2 moles of [tex]\rm C_2H_6[/tex]. Therefore, the correct answer is 11.2 moles of [tex]\rm O_2[/tex].

Therefore option D is correct.

Know more about stoichiometry:

https://brainly.com/question/28780091

#SPJ12

Help what's the answer?

Answers

The partial pressure of carbon dioxide in the flask is 7.10 atm and the total pressure in the flask is 11.25 atm.

What is ideal gas law?

The ideal gas law is a fundamental law of physics that describes the behavior of ideal gases under various conditions. It is expressed mathematically as PV = nRT, where P is the pressure of the gas, V is its volume, n is the number of moles of gas, R is the ideal gas constant, and T is the absolute temperature of the gas in Kelvin.

To find the partial pressure of carbon dioxide and total pressure in the flask, we need to use the ideal gas law:

PV = nRT

First, we need to calculate the number of moles of each gas:

nO₂ = mO₂ / MM(O₂) = 3.64 g / 32.00 g/mol = 0.1135 mol

nCO₂ = mCO₂/ MM(CO₂) = 8.53 g / 44.01 g/mol = 0.1937 mol

where m is the mass of the gas, and MM is the molar mass of the gas.

Next, we can calculate the total number of moles of gas in the flask:

ntotal = nO₂ + nCO₂ = 0.1135 mol + 0.1937 mol = 0.3072 mol

The total pressure in the flask can be calculated using the ideal gas law:

Ptotal = ntotalRT / V

where R = 0.08206 L·atm/K·mol is the gas constant.

The temperature needs to be converted to Kelvin:

T = 38°C + 273.15 = 311.15 K

Substituting the values, we get:

Ptotal = (0.3072 mol)(0.08206 L·atm/K·mol)(311.15 K) / 8.39 L

= 11.25 atm

Therefore, the total pressure in the flask is 11.25 atm.

To find the partial pressure of carbon dioxide, we need to use the mole fraction of carbon dioxide:

XCO₂ = nCO₂ / ntotal

Substituting the values, we get:

XCO₂ = 0.1937 mol / 0.3072 mol = 0.6309

The partial pressure of carbon dioxide can be calculated using Dalton's law of partial pressures:

PCO₂  = XCO₂ Ptotal

Substituting the values, we get:

PCO₂  = 0.6309 × 11.25 atm

= 7.10 atm

Therefore, the partial pressure of carbon dioxide in the flask is 7.10 atm.

Learn more about pressure here:

https://brainly.com/question/12971272

#SPJ1

the hydration of ion: what interactions are at work in an aqueous salt solution to promote hydration?

Answers

The most important interaction is between the ions and the water molecules. There are also electrostatic interactions between the ions and the water molecules in aqueous salt solution.

In an aqueous salt solution, there are several interactions at work to promote hydration of ions. The most important interaction is between the ions and the water molecules. When the salt is dissolved in water, the water molecules surround the ions, forming hydration shells. These shells help to stabilize the ions and prevent them from coming into contact with each other.

The strength of the hydration interaction between an ion and a water molecule depends on the charge and size of the ion. Small ions with high charges, such as Na+ and Mg2+, have a strong interaction with water molecules because they can form more intimate contacts with water molecules. On the other hand, large ions with low charges, such as Cl- and SO42-, have weaker hydration interactions because they cannot form as many intimate contacts with water molecules.

In addition to the hydration interaction, there are also electrostatic interactions between the ions and the water molecules. These interactions occur because the ions have charges, which can interact with the partial charges on the water molecules. The strength of the electrostatic interaction depends on the charge of the ion and the distance between the ion and the water molecule.

Overall, the hydration of ions in an aqueous salt solution is a complex process that involves both hydration and electrostatic interactions. These interactions are crucial for stabilizing the ions in solution and preventing them from coming into contact with each other.

Learn more about aqueous salt solution here:

https://brainly.com/question/9947161

#SPJ11

The hydration of ions in an aqueous salt solution is promoted through ion-dipole interactions, hydrogen bonding, and electrostatic forces. These interactions help to stabilize the hydrated ions in the solution.

What interactions promote hydration of a solution?

The hydration of ions in an aqueous salt solution involves several interactions to promote hydration. These interactions include:

1. Ion-dipole interactions: These are the attractive forces between the charged ions (cations and anions) of the dissolved salt and the polar water molecules. The positive end (hydrogen atoms) of water molecules surround the negative ions, while the negative end (oxygen atom) of water molecules surround the positive ions.

2. Hydrogen bonding: This is a specific type of dipole-dipole interaction that occurs between the hydrogen atom of a polar molecule (such as water) and an electronegative atom (like oxygen). In an aqueous salt solution, hydrogen bonding can occur between water molecules surrounding the ions.

3. Electrostatic forces: These forces occur between charged particles and help to stabilize the hydration shell around the dissolved ions.

To know more about Intermolecular Forces:

https://brainly.com/question/30897286

#SPJ11

by titration, it is found that 20.44 ml of 0.1323 m naoh (aq) is needed to neutralize 25.00 ml of h2so4 (aq). calculate the concentration of the h2so4 solution in m.

Answers

The concentration of the H₂SO₄ solution is approximately 0.0541 M.

To calculate the concentration of the H₂SO₄ solution, you can use the concept of equivalence in the neutralization reaction:

H₂SO₄ (aq) + 2 NaOH (aq) → Na₂SO₄ (aq) + 2 H₂O (l)

Using the given information, we can start by finding the moles of NaOH:

moles of NaOH = volume (L) × concentration (M) = 0.02044 L × 0.1323 M = 0.00270492 moles

Since the stoichiometry of the reaction is 1:2 (H₂SO₄:NaOH), the moles of H₂SO₄ can be calculated as follows:

moles of H₂SO₄ = 0.00270492 moles NaOH × (1 mole H₂SO₄ / 2 moles NaOH) = 0.00135246 moles

Finally, we can find the concentration of the H₂SO₄ solution:

concentration of H₂SO₄ (M) = moles of H₂SO₄ / volume (L) = 0.00135246 moles / 0.02500 L = 0.0540984 M

Therefore, the concentration of the H₂SO₄ solution is approximately 0.0541 M.

Visit here to learn more about stoichiometry  : https://brainly.com/question/30215297
#SPJ11

what would happen to the d13c value of atmospheric co2 if a large proportion of co2 from fossil fuels was added to the atmosphere?

Answers

If a large proportion of CO2 from fossil fuels was added to the atmosphere, the d13C value of atmospheric CO2 would decrease.

This is because fossil fuels have a lower d13C value than the natural carbon reservoirs that make up the bulk of atmospheric CO2. As more and more fossil fuels are burned, the proportion of CO2 in the atmosphere with a lower d13C value increases, which in turn lowers the overall d13C value of atmospheric CO2. This change in the d13C value is a key marker for the increasing influence of human activities on the carbon cycle.

To learn more about CO2, refer:-

https://brainly.com/question/23026255

#SPJ11

If a large proportion of CO2 from fossil fuels was added to the atmosphere, the d13C value of atmospheric CO2 would decrease.

Explanation:

d13C is a measure of the ratio of stable isotopes 13C and 12C in a sample, such as atmospheric CO2, compared to standard reference material. Fossil fuels, such as coal, oil, and natural gas, are formed from ancient organic materials that are isotopically lighter, meaning they have a lower d13C value.
When we burn fossil fuels, CO2 is released into the atmosphere, increasing the overall CO2 concentration. As more CO2 from fossil fuels, with their lower d13C values, is added to the atmosphere, the overall d13C value of atmospheric CO2 would decrease.
This decrease in d13C value is used by scientists as an indicator of the anthropogenic contribution to atmospheric CO2 levels.

To know more about radioactive fossil fuels:

https://brainly.com/question/13958846

#SPJ11

a certain volume of air currently holds 25 grams of water vapor. at the same temperature, the maximum amount the air can contain is 100 grams. what is the relative humidity?

Answers

To calculate the relative humidity, you can use the following formula: Relative Humidity = (Current amount of water vapor / Maximum water vapor capacity) x 100 Relative Humidity = (25 grams / 100 grams) x 100 = 25% So, the relative humidity is 25%.

The relative humidity can be calculated by dividing the actual amount of water vapor in the air (25 grams) by the maximum amount the air can hold at that temperature (100 grams) and then multiplying by 100 to get a percentage.

So,

Relative Humidity = (actual amount of water vapor / maximum amount air can hold) x 100

Relative Humidity = (25 / 100) x 100

Relative Humidity = 25%

Therefore, the relative humidity in the air is 25%.

Learn more about humidity here: brainly.com/question/22069910

#SPJ11

Question 5
Which of the following plants is known for its ability to absorb nitrates in polluted
water?
O cat tails
Oferns
O water lilies
O kelp

Answers

The sweet fiber in cat tail roots provides an abundance of starchy carbohydrates. The common cattail is not a perfect flower. Among the given options, cat tails  absorb nitrates from polluted water. The correct option is A.

The cattail flower spikes can be possible to boil and can be eaten just like the corn on the cob. Pollen from the matured flowers can be collected and can be used with other flour to make biscuits, muffins and pancakes.

Cattails have an amazing ability to absorb phosphorous, nitrogen and other elements which can destruct the water bodies and sediment beds. They play a vital function in treating wastewater.

Thus the correct option is A.

To know more about Cattails, visit;

https://brainly.com/question/30561903

#SPJ1

calculate the mass of solid agcl that is produced when 525ml of .35 m alcl3 is used with excess ag2so4 solution

Answers

The mass of solid AgCl produced when 525 mL of 0.35 M AlCl3 is used with excess Ag2SO4 solution is 78.97 g.

The balanced chemical equation for the reaction between AlCl3 and Ag2SO4 is:

2 AlCl3 + 3 Ag2SO4 → Al2(SO4)3 + 6 AgCl

From the equation, we can see that 2 moles of AlCl3 react with 3 moles of Ag2SO4 to produce 6 moles of AgCl. Therefore, the mole ratio of AlCl3 to AgCl is 2:6 or 1:3.

To calculate the moles of AgCl produced, we need to first calculate the moles of AlCl3 used.

Moles of AlCl3 = concentration x volume / 1000

Moles of AlCl3 = 0.35 mol/L x 0.525 L

Moles of AlCl3 = 0.18375 mol

Since the mole ratio of AlCl3 to AgCl is 1:3, the moles of AgCl produced is:

Moles of AgCl = 3 x Moles of AlCl3

Moles of AgCl = 3 x 0.18375 mol

Moles of AgCl = 0.55125 mol

The molar mass of AgCl is 143.32 g/mol. Therefore, the mass of AgCl produced is:

Mass of AgCl = moles of AgCl x molar mass of AgCl

Mass of AgCl = 0.55125 mol x 143.32 g/mol

Mass of AgCl = 78.97 g

Therefore, the mass of solid AgCl produced when 525 mL of 0.35 M AlCl3 is used with excess Ag2SO4 solution is 78.97 g.

Learn more about the mass

https://brainly.com/question/19694949

#SPJ4

the decomposition of is first order in and has a rate constant of at a certain temperature: if the initial concentration of is , what is the concentration of after ?

Answers

a) The length of the second order for this reaction in minutes is 142.

b) The concentration of SO2(g) after 4.3 min with an initial concentration of SO2Cl2 of 2.089 M is 0.834 M.

a) To calculate the length of the second order, we use the equation t1/2 = ln2/k, where k is the rate constant. Substituting

k = 1.56e-04 s-1,

we get

t1/2 = ln2/1.56e-04 s-1

= 4425 s.

Converting to minutes, we get

tz = 4425 s/60 s/min

= 142 min.

b) To calculate the concentration of SO2(g) after 4.3 min, we use the integrated rate law for a first-order reaction, which is

ln([A]t/[A]0) = -kt.

We can rearrange this equation to solve for

[A]t: [A]t = [A]0e^(-kt).

Substituting the given values, we get

[SO2]t = 2.089 M * e^(-1.56e-04 s-1 * 4.3 min * 60 s/min) = 0.834 M.

To learn more about initial concentration, here

https://brainly.com/question/30609774

#SPJ4

The complete question is:

The decomposition of SO2Cl2 is first order in SO2Cl2 and has a rate constant of 1.56e - 04 s-1 at a certain temperature: SO2Cl2(g) → SO2(g) + Cl2(g)

a) What is the length of the second tą for this reaction in minutes? tz (min) = number (rtol=0.03, atol=1e-08)

b) If the initial concentration of SO2Cl2 is 2.089 M, what is the concentration of SO2(g) after 4.3 min.?

Other Questions
Does this growth rate of GDP stay high indefinitely or only fora period of time? your boss trusts team members to make good decisions and work hard for the people you serve-not because she tells you to, but because you have an inherent desire to make a difference. she is best described as a(n): If a reaction is performed in 155 g of water with a heat capacity of 4.184 J/g C andthe initial temperature of a reaction is 19.2C, what is the final temperature (in unitsof C) if the chemical reaction releases 1420 J of heat?Answer choices: 21.4 29.2 27.4 34.5 members of the religious group commonly known as ______ were scorned because they refused to participate in war or doff their hats to social superiors. please help me in this exercise Find the critical value t what invention will stop people from overdosing from drugs Expansion During the Early Republic a random sample of n equal to 64 scores is selected from a normally distributed population with mu equal to 77 and sigma equal to 21. what is the probability that the sample mean will be less than 79? hint: this is a z-score for a sample. how does an individual with a competitive advantage lead to the evolution of an entire species?(1 point) responses those who have traits that help them survive are able to reproduce, and their offspring have those traits, leading to a change in the species over time. those who have traits that help them survive are able to reproduce, and their offspring have those traits, leading to a change in the species over time. some individuals are better at competing for resources, and that allows them to survive droughts or other major ecological events, leading to the extinction of certain species and the survival of others. some individuals are better at competing for resources, and that allows them to survive droughts or other major ecological events, leading to the extinction of certain species and the survival of others. traits that are advantageous help certain individuals reproduce at higher rates, so those traits are more common within the population. traits that are advantageous help certain individuals reproduce at higher rates, so those traits are more common within the population. individuals that survive due to their competitive advantage are able to expand their range, similar to how the finches radiated out from one common ancestor on the mainland. A container built for transatlantic shipping is constructed in the shape of a rightrectangular prism. Its dimensions are 4 ft by 9.5 ft by 13 ft. If the container is entirelyfull and, on average, its contents weigh 0.05 pounds per cubic foot, find the totalweight of the contents. Round your answer to the nearest pound if necessary Find the volume of the trapezoidal prism 10m 8m 4m 5m The Security Investors Protection Corporation (SIPC) covers what sorts of investors?A. It pays up to $500,000 per customer for missing securities, including a maximum of $250,000 for missing cashB. It pays up to $500,000 per customer for missing margin accounts from commodity transactions, including a maximum of $250,000 for missing cashC. All the above "Determine the swap rate of a 3-year interest rate swap withannual interest payments, indexed at the Euribor. The 1-year,2-year, and 3-year zero Euribor rates are equal to 1.2%, 1.8%, and3%, respectively. Use discrete compounding. Ascension has a $1,000 face value bond with a 6 percentcoupon paid semiannually. The semiannual interest payment on thisbond is ___.a. $3b. $6c. $10d. $30e. $60f. $100g. $300 Your classmate Josephine went to the museum to explore the cultures of the Great Plains in the modern United States and their beautiful beadwork. She shares with you the facts she learns about their beadwork. Which of her facts is CORRECT? A. Beaded artwork was often created by men. B. Most beadwork featured bright colors and sparkly gems. C. Patterns using flowers and leaves were sometimes used. D. Beaded artwork was never created for practical items. which of the following is true of a team? a. individual work products b. pre-determined work structure c. individual accountability d. shared leadership roles An investment project has annual cash inflows of $4,058, $3,351, $4,979, and $3,767 for the next four years, respectively, and a discount rate of 15%.What is the discounted payback if the initial investment is $8,000? (Round answer to 2 decimal places. Do not round intermediate calculations) The most common site of fracture in the humerus is the surgical neck which is distal to the anatomical neck.Is the statement true or false? Explain. in a survey of 300 college graduates, 53% reported that they entered a profession closely related to their college major. if 9 of those survey subjects are randomly selected with replacement for a follow-up survey, what is the probability that 3 of them entered a profession closely related to their college major? round to four decimal places.