Write the name or the formula of the following compounds:
a. (Co(ClO3)4(NO2))Cl (N in NO2 is underlined)
b. K(Co(SO4)(NH2CH2CH2NH2)2(CN)) (N in CN is underlined)
c. sodium carbonyldiisothriocyanatotrinitritochromate(III)
b. amminediaquatrihydroxidochromium(VI) nitrate

Answers

Answer 1

The molecular formula for a molecular compound's molecular formula lists the variety of atoms that make up the molecule. The name of the compound (Co(ClO₃)₄(NO₂))Cl is tetrachloridobis(nitrito-O)cobalt(III) chloride.

The name or the formula of the following compounds are:

The name of the compound (Co(ClO₃)₄(NO₂))Cl is tetrachloridobis(nitrito-O)cobalt(III) chloride.

The name of the compound K(Co(SO₄)(NH₂CH₂CH₂NH₂)₂(CN)) is potassium bis(ethylenediamine)dihydroxidocyanidocobaltate(III) sulfate.

The formula of the compound sodium carbonyldiisothriocyanatotrinitritochromate(III) is Na[Cr(NCS)₂(NO₂)₃(CO)].

The formula of the compound amminediaquatrihydroxidochromium(VI) nitrate is [Cr(OH)₄(NH₃)₂(H₂O)₂]NO₃.

Learn more about formula, here:

https://brainly.com/question/30062954

#SPJ1


Related Questions

Unit:Stoichiometry Multi-Step Problems -WS #3 answer key

Answers

Explanation:

You've not brought out the question

which element in group 6A is not found as the central atom in compounds with an expanded valence shell

Answers

I am pretty sure it’s oxygen.

How many particles of silver chloride are produced

Answers

The produce 1 mole of AgCl, we would have approximately 6.022 × 10^23 particles of silver chloride.

To determine the number of particles of silver chloride produced, we need to consider the balanced chemical equation and the stoichiometry of the reaction involved.

The balanced chemical equation for the formation of silver chloride (AgCl) is:

2 AgNO3 + NaCl → AgCl + 2 NaNO3

From the equation, we can see that two moles of silver nitrate (AgNO3) react with one mole of sodium chloride (NaCl) to produce one mole of silver chloride (AgCl).

To calculate the number of particles, we need to know the number of moles of silver chloride. Let's assume that we have 'x' moles of AgCl.

According to the balanced equation, the molar ratio between AgCl and AgNO3 is 1:2. So, if 'x' moles of AgCl are produced, then '2x' moles of AgNO3 must react.

Now, if we know the molar mass of AgCl, we can convert the moles of AgCl to particles using Avogadro's number (6.022 × 10^23 particles/mol).

To provide an accurate answer in 125 words, I'll need to make some assumptions. Let's assume we have 1 mole of AgCl. Then, the number of particles of AgCl would be:

1 mole AgCl × (6.022 × 10^23 particles/mol) = 6.022 × 10^23 particles.

For more such questions on AgCl

https://brainly.com/question/31389624

#SPJ11

Complete Question

How many grams of silver chloride are produced from 5.0 g of silver nitrate reacting with an excess of barium chloride in the reaction

2AgNO3 +BaCl2 →2AgCl +Ba(NO3)2?

If 1.2 kilograms of rust form on a bridge in five days, what should be the rate of reaction in grams per hour? (Recall that a bar over the number means that zero is significant.) 0 0.05 g/hr 0 0.010 g/hr 0 100 ghr O 10 g/hr

Answers

The answer is 10g/hr

Urgent help pleasee


Question 8 (1 point)
What is the pressure of a gas that originally occupied 2.7 L at a pressure of 3.4 atm,
if the volume is increased to 10.0 L?
Your Answer:
Answer
units

Answers

Answer:

13 atm

Explanation:

Ideal gas laws let us calculate different values for gases.

Boyle's Law

One of the ideal gas laws is Boyle's law. Boyle's law states that pressure and volume are inversely proportional. This means that as pressure increases, volume decreases and vice versa. In equation form, Boyle's law is:

P₁V₁ = P₂V₂

This means to find the original pressure, all we have to do is plug in the known values and solve for P₁.

Solving for P

Firstly, let's plug in the known volumes and pressure.

P₁ * 2.7L = 3.4atm * 10.0L

Then, divide both sides by 2.7 to find the original pressure.

P₁ ≈ 12.59 atm

Since this equation is based on measured values, we should round to significant figures. Rounded to 2 sig figs, the original pressure was 13 atm.

what is chemical bonding ​

Answers

Answer:It is when two different chemicals bond together

Explanation:

Answer: Chemical bonding is the attraction between two or more atoms that allows them to be able to form a stable chemical compound.

Explanation: The specific nature of a chemical bond can vary, but the most commonly known are covalent and ionic bonds. With these bonds, it provides sufficient energy between atoms when one has less. It’s the force of attraction that holds atoms, allowing the electrons to form a bond together.

What type of reaction?

HCN,Na2So4

Mg3N2

Co2, H2O

Cu,Zn(NO3)2

Na,N2

Answers

HCN, Na2SO4: Combination of compounds.

Mg3N2: Chemical compound.

CO2, H2O: Dissolution or hydration reaction.

Cu, Zn(NO3)2: Single-replacement reaction.

Na, N2: Combination of elements.

Let's analyze each chemical combination to determine the type of reaction involved:

HCN, Na2SO4:

The combination of hydrogen cyanide (HCN) and sodium sulfate (Na2SO4) does not represent a specific chemical reaction. It is simply the combination of two compounds.

Mg3N2:

Mg3N2 represents a chemical compound, magnesium nitride. It does not indicate a specific reaction.

CO2, H2O:

The combination of carbon dioxide (CO2) and water (H2O) represents a chemical reaction known as hydration or dissolution. When carbon dioxide dissolves in water, it forms carbonic acid (H2CO3), which can further dissociate into hydrogen ions (H+) and bicarbonate ions (HCO3-).

Cu, Zn(NO3)2:

The combination of copper (Cu) and zinc nitrate (Zn(NO3)2) represents a single-replacement reaction. Copper displaces zinc from the compound, resulting in the formation of copper nitrate (Cu(NO3)2) and zinc metal (Zn).

Na, N2:

The combination of sodium (Na) and nitrogen gas (N2) does not represent a specific reaction. It is simply the combination of two elements.

For more question on Combination click on

https://brainly.com/question/28304510

#SPJ11

Convert 150 grams of NaOH to particles of NaOH

Answers

150 grams of NaOH is approximately equal to 2.256 x 10^24 particles of NaOH.

To convert grams of NaOH to particles of NaOH, we need to use the concept of molar mass and Avogadro's number. The molar mass of NaOH is calculated by adding the atomic masses of sodium (Na), oxygen (O), and hydrogen (H) together. It can be determined as follows:

Na: 22.99 g/mol

O: 16.00 g/mol

H: 1.01 g/mol

Molar mass of NaOH = (22.99 g/mol) + (16.00 g/mol) + (1.01 g/mol) = 40.00 g/mol

Now, we can use the molar mass to convert grams of NaOH to moles. Since 1 mole contains Avogadro's number (approximately 6.022 x 10^23) particles, we can determine the number of particles as follows:

150 g NaOH * (1 mol NaOH / 40.00 g NaOH) * (6.022 x 10^23 particles / 1 mol NaOH) ≈ 2.256 x 10^24 particles

It's important to note that this calculation assumes the substance is pure NaOH and that the molar mass and Avogadro's number are accurate.

for more questions on particles

https://brainly.com/question/31213916

#SPJ11

The temperature of a 75.0 gram sample of water drops from 15°C to 8°C. Calculate how
much heat was transferred, and state whether it was gained or lost based on the sign of your
answer.
Q=
Gained or Lost:

PLEASE HELP!!!!

Answers

Answer:

Q ≈ -2000 J

Explanation:

Temperature changes can be used to calculate heat transfer. Please note that since the question is based on measured values I rounded for significant figures.

Heat Transfer

In heat transfer, energy can be gained or lost. When energy is gained, temperature increases. However, when energy is lost, temperature decreases. Since the water decreased in temperature, it must have lost energy. This means that Q will be negative. Q represents the transfer of energy, which is measured in joules.

Calculating Energy

To calculate heat transfer we can use the equation q = m·c·ΔT.

m is the mass of the sample in gramsc is specific heat in joules per gram·celsiusΔT is the change in temperature in celsius

For this question, we know that the mass is 75.0g. Specific heat is a constant that every substance has. These values can be found in data tables. For liquid water, c = 4.184. Finally, the change in temperature is -7°C.

Q = 75.0g · 4.184 J/g·C · -7°CQ = -2196.6

In this scenario, 2196.6 joules of energy were lost. Since -7 has one sig fig, this answer can be rounded to 2000 J.

Help is needed in chemistry plss

Answers

The chemical equations are as completed below:

1. N₂ + 3 H₂ → 2 NH₃

2. 2 KClO₃ → 2 KCl + 3 O₂

What is the complete forms of these chemical equations?

The complete chemical equations are as follows:

3. 2 NaCl + F₂ → 2 NaF + Cl₂

4. 2 H₂ + O₂ → 2 H₂O

5. Pb(OH)₂ + 2 HCl → 2 H₂O + PbCl₂

6. 3 ABr₂ + K₂SO4 → 2 KBr + Al₂(SO4)₃

7. CH₄ + 2 O₂ → CO₂ + 2 H₂O

8. C₃H₂ + ⁵/₂ O₂ → 3 CO₂ + H₂O

9. C₃H₁₂ + ⁹/₂ O₂ → 3 CO₂ + 6 H₂O

10. FeCl₃ + 3 NaOH → Fe(OH)₃ + 3 NaCl

11. 4 P + 3 O₂ → 2 P₂O₃

12. 2 Na + 2 H₂O → 2 NaOH + H₂

13. 2 Ag₂O → 4 Ag + O2

14. S₄ + 6 O₂ → 4 SO₃

15. C₃H₈O + 5 O₂ → 3 CO₂ + 4 H₂O

16. 2 K + MgBr₂ → 2 KBr + Mg

17. 2 HCl + CaCO₃ → CaCl₂ + H₂O + CO₂

18. HNO₃ + NaHCO₃ → NaNO₃ + H₂O + CO₂

19. 2 H₂O + O₂ → 2 H₂O₂

20. 2 NaBr + CaF₂ → 2 NaF + CaBr₂

21. H₂SO₄ + 2 NaNO₂ → 2 HNO₂ + Na₂SO₄

Therefore, the correct answer is as given above. It could then be concluded that the above chemical equations are now balanced.

learn more about chemical balancing: https://brainly.com/question/11904811

#SPJ1

pls help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

The artificial transmutation is described as  process which leads to the formation of a new element with a different atomic number mass number.

The example can be seen in the  artificial transmutation of nitrogen-14 where  alpha particles  are  bombarded  to create oxygen-17 .

What is the benefit of artificial transmutation?

The artificial transmutation of transuranic elements has is very beneficial as it has helped to manage radioactive waste.

The  artificial transmutation of nitrogen-14  where  alpha particles  are  bombarded  to create oxygen-17 and a proton is shown in the reaction below:

14N + 4He → 17O + 1H

Learn more about artificial transmutation at:

https://brainly.com/question/545552

#SPJ1

NACIO3 → NaCl + O₂
3: How many total atoms are on
the reactants side of the
equation?
7

Answers

Answer:

lalala

Explanation:

The balanced chemical equation is:

NaIO3 → NaCl + 1.5 O2

On the reactants side of the equation, there are:

- 1 Na atom

- 1 I atom

- 3 O atoms

Total number of atoms on the reactants side = 1 + 1 + 3 = 5

Therefore, there are a total of 5 atoms on the reactants side of the equation. This differs from the answer provided in the question (which says 7), which may be due to an error.

In the given chemical equation there is 1 reactant and thus the  total atoms  which are on the reactants side of the equation are 5.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

There is 1 reactant and thus the  total atoms  which are on the reactants side of the equation are 5.

Learn more about chemical equation,here:

https://brainly.com/question/28792948

#SPJ6

How many grams of a 25% (m/m) sodium chloride solution contain 0.250 moles of sodium chloride?

Answers

Approximately 1.167 grams of the 25% (m/m) NaCl solution would contain 0.250 moles of sodium chloride.

To determine the mass of a 25% (m/m) sodium chloride (NaCl) solution containing 0.250 moles of sodium chloride, we need to consider the concentration and molar mass of NaCl.

The percentage (m/m) concentration indicates the mass of solute (NaCl) present per 100 grams of the solution. Therefore, a 25% (m/m) NaCl solution contains 25 grams of NaCl per 100 grams of the solution.

First, we calculate the mass of NaCl in the given solution:

Mass of NaCl = (25% / 100%) x Mass of solution

= (25 / 100) x Mass of solution

Next, we can determine the mass of the solution required to have 0.250 moles of NaCl using the molar mass of NaCl, which is approximately 58.44 g/mol.

Mass of NaCl = Moles x Molar mass

Mass of solution x (25 / 100) = 0.250 moles x 58.44 g/mol

Now, we can solve for the mass of the solution:

Mass of solution = (0.250 moles x 58.44 g/mol) / (25 / 100)

= 1.167 g

for more questions on sodium chloride.

https://brainly.com/question/30460299

#SPJ8

Which color on the visible light spectrum has more energy than green?
Orange
Cyan
Yellow
Red

Answers

Answer:

Cyan is the color on the visible light spectrum that has more energy than green

Explanation:

Green's energy is 2.25,

Orange's energy is 2.06,

Cyan's energy is 2.48,

Yellow's energy is 2.14,

Red's energy is from 1.77 to 1.91,

The equation below represents a chemical reaction at 1 atm and 298 K. N2(g) + 3H2(g) -+ 2NH3(g) State the change in energy that occurs in order to break the bonds in the hydrogen molecules

Answers

To break the bonds in the hydrogen molecules in the reaction N2(g) + 3H2(g) → 2NH3(g), approximately 1305 kJ of energy needs to be supplied.

In order to break the bonds in the hydrogen molecules (H2), energy needs to be supplied to overcome the attractive forces between the atoms within the molecules. Breaking bonds requires an input of energy and is an endothermic process.

In the given chemical reaction, N2(g) + 3H2(g) → 2NH3(g), the hydrogen molecules (H2) are broken as the reactants, N2 and H2, are converted into ammonia (NH3).

Breaking one H2 molecule requires the energy equivalent to the bond dissociation energy (also known as bond energy) of the H-H bond. The bond dissociation energy is the energy required to break one mole of a particular bond in a gaseous molecule.

The bond dissociation energy for the H-H bond is approximately 435 kJ/mol. This means that it takes approximately 435 kJ of energy to break one mole of H-H bonds.

In the given reaction, three moles of H2 molecules are involved. Therefore, the total energy required to break the bonds in the hydrogen molecules is:

Energy required = 3 moles * 435 kJ/mol = 1305 kJ

So, to break the bonds in the hydrogen molecules in the reaction N2(g) + 3H2(g) → 2NH3(g), approximately 1305 kJ of energy needs to be supplied.

It's important to note that breaking bonds requires energy input, while forming bonds releases energy. In this reaction, the formation of new bonds in the ammonia (NH3) molecules will release energy, resulting in an overall exothermic reaction. The energy change of the reaction, often referred to as the enthalpy change (ΔH), will depend on the difference between the energy required to break the bonds and the energy released when new bonds are formed.

for more such question on hydrogen visit

https://brainly.com/question/24433860

#SPJ8

Arrange the different types of radioactive decay in increasing order of their ability to penetrate substances.

Drag each tile to the correct box.

Tiles
gamma raybeta particlealpha particle

Answers

The alpha particles have the lowest penetrating power, followed by beta particles, while gamma rays possess the highest ability to penetrate substances.

In increasing order of their ability to penetrate substances, the different types of radioactive decay are:

Alpha particle: Alpha particles consist of two protons and two neutrons and are relatively large and heavy. Due to their size and positive charge, they have limited penetrating power and can be easily stopped by a sheet of paper or a few centimeters of air.

Beta particle: Beta particles are high-energy electrons (beta-minus decay) or positrons (beta-plus decay) emitted during radioactive decay. They have greater penetrating power than alpha particles but are still relatively easily stopped by a few millimeters of aluminum or a few meters of air.

Gamma ray: Gamma rays are electromagnetic waves with high energy and frequency. They have the highest penetrating power among the three types of radioactive decay. Gamma rays require thick layers of dense materials such as lead or concrete to significantly reduce their intensity.

For more such questions on penetrating

https://brainly.com/question/8810300

#SPJ11

Test
A sample of A was heated
in a dry test tube. Pieces of
moist red and blue litmus
paper were held at the
mouth of the tube
Sodium hydroxide
solution was added
dropwise to a solution of
A until in excess
A few drops of barium
chloride solution were
added to a solution of A
followed by some dilute
hydrochloric acid
Observations
the red litmus paper turned
blue. While the blue litmus
paper remained blue.
Which ion (s) may be present
ion present
the gas given off is
a green precipitate formed
ion is present
the precipitate remained in Fe³+ (aq) + 3OH- (aq) Fe(OH)3 (s)
excess
a white precipitate formed.
the precipitate remained in
the dilute acid.
ion is present
Ba2+ (aq) + SO42- (aq) → BaSO4(s)

Answers

The identifications of any other ions that may be present remain inconclusive.

Based on the observations mentioned, we can deduce the possible ions present in the substance A and the respective reactions involved.

1. Heating in dry tube with blue and red litmus paper - There was no reaction as the blue litmus paper remained blue, indicating that the substance is not acidic and the red litmus paper turned blue, indicating that the substance is basic. Therefore, the substance could be a base or a neutral substance.

2. Addition of sodium hydroxide solution - The addition of NaOH dropwise to A resulted in the further alkalization of the substance if it was initially a base. No gas was evolved during this reaction. The reaction could be represented as follows:  

        A + NaOH → A⁻ + Na⁺ + H₂O                                                                                                                  

Here, A could be a metal cation or the conjugate base of an organic acid.

3. Addition of barium chloride solution followed by dilute hydrochloric acid - The addition of a few drops of barium chloride solution to A would test for the presence of sulphate ion (SO₄²⁻). The white precipitate that formed in dilute hydrochloric acid solution that remained is barium sulphate (BaSO₄) as per the following equation:

        Ba²⁺ + SO₄²⁻ → BaSO₄(s)

4. Green precipitate formed - No information is provided on which ions may be present that produced a green precipitate.

Based on the given observations, the substance A is most likely a base or neutral substance that did not evolve any gas upon the addition of NaOH. The presence of the sulphate ion (SO₄²⁻) was confirmed later by the formation of a white precipitate of BaSO₄ that remained unchanged in dilute hydrochloric acid solution. However, the identifications of any other ions that may be present remain inconclusive.

For such more questions on ion

https://brainly.com/question/11316803

#SPJ11

If a compound has a molecular formula of N2O2, then its empirical mass is
..........g/mol.

Answers

The empirical mass of the compound, given that the molecular formula of the compound is N₂O₂, is 60 g/mol

How do i determine the empirical mass of the compound?

First, we must understand here that empirical mass of a compound is simply the molar mass of the compound.

This means that if we obtain the molar mass of a compound, then we have equally obtain the empirical mass of the compound.

Now, we shall obtain the molar mass of the compound. Details below:

Molar mass of N = 14 g/molMolar mass of O = 16 g/molMolar mass of N₂O₂ = ?

Molar mass of N₂O₂ = (14 × 2) + (16 × 2)

Molar mass of N₂O₂ = 28 + 32

Molar mass of N₂O₂ = 60 g/mol

From the above, the molar mass of the compound is 60 g/mol

Thus, we can conclude that the empirical mass of the compound is 60 g/mol

Learn more about molar mass:

https://brainly.com/question/18983376

#SPJ1

If a chemist starts with 4 moles of H2 and 4 moles of O2, what is the limiting reactant? How do you know?

Answers

Explanation:

The balanced equation is

2  H2        +    02 ======> 2 H2 O

so it takes twice as many H2 moles as O2 to complete the reaction

  the chemist does not have enough  H2 (needs 8 moles)   , so H2 is the limiting reactant .

 

the half-life constant of a first order reaction is 12 minutes. if the initial concentration of reactant is 0.352M, it takes ___ minutes for it to decrease to 0.176M

Answers

The half-life constant of a first order reaction is 12 minutes. if the initial concentration of reactant is 0.352M, it takes 12 minutes for it to decrease to 0.176M

What is half-life of a substance?

The duration it takes for half of the radioactive atoms in a sample to decay is known as the half-life in the context of radioactive decay. Because they are unstable, radioactive substances spontaneously undergo radioactive decay, changing over time into new elements or isotopes.

A radioactive substance's half-life is one of its distinctive characteristics. For instance, if the half-life of a radioactive isotope is one hour, half of the initial quantity would have degraded after one hour, half of the remaining quantity would have degraded after another hour, and so on.

The duration it takes for the concentration of a reactant to reduce by half in a first-order reaction is known as the half-life in the context of chemical reactions.

Learn more on radioactive decay here https://brainly.com/question/1236735

#SPJ1

KCIO3 -> KCI + 02
How many moles of KCI are produced if 6743 grams of KCIO3 decomposes?

Answers

55.03 moles of KCI are produced when 6743 grams of [tex]KClO_{3}[/tex] decomposes

To determine the number of moles of KCl produced when 6743 grams of [tex]KClO_{3}[/tex] decomposes, we need to use the concept of molar mass and the balanced chemical equation.

First, let's calculate the molar mass of [tex]KClO_{3}[/tex]

The molar mass of potassium (K) is approximately 39.10 g/mol.

The molar mass of chlorine (Cl) is approximately 35.45 g/mol.

The molar mass of oxygen (O) is approximately 16.00 g/mol.

So, the molar mass of [tex]KClO_{3}[/tex] is:

(39.10 g/mol) + (35.45 g/mol) + (3 * 16.00 g/mol) = 122.55 g/mol.

Now, we need to calculate the number of moles of [tex]KClO_{3}[/tex]:

Number of moles = Mass / Molar mass

Number of moles = 6743 g / 122.55 g/mol = 55.03 mol.

According to the balanced chemical equation:

2[tex]KClO_{3}[/tex] -> 2 KCl + 3 O2,

we can see that for every 2 moles of [tex]KClO_{3}[/tex], we obtain 2 moles of KCl.

Therefore, the number of moles of KCl produced will be equal to the number of moles of [tex]KClO_{3}[/tex] since the ratio is 1:1. Thus, 55.03 moles of KCl will be produced.

Know more about molar mass here:

https://brainly.com/question/837939

#SPJ11

Question 4 (1 point)
3 HCIO --> 2 HCIO 2 + HCI
Which of the following statements best describes the above chemical equation?
No. The total number of Cl atoms is not balanced.
No. The number of O atoms is not balanced.
No. The total number of H atoms is not balanced.
Yes, there are the same number of atoms of each element on both the reactant
and product sides of the equation.

Answers

A chemical equation is said to be balanced if the quantity of each type of atom in the reaction is the same on both the reactant and product sides. Here the number of O atoms is not balanced. The correct option is B.

A balanced chemical equation is one in which the number of atoms on each side (the reactant and product side) of the equation are equal. The law of conservation of mass states that when a chemical reaction takes place, the mass of the reactants and products should be equal.

Each element has the same number of atoms as before the chemical reaction. Therefore, the chemical equation must be in equilibrium.

Here the balanced equation is:

3 HCIO → HCIO ₃ + 2HCI

Thus the correct option is B.

To know more about balanced equation, visit;

https://brainly.com/question/29769009

#SPJ1

Exercise 8 If 46.0g of CH₂ reacts with 32.0g O. According to the following reactio CH₂ + 20₂ - CO₂ + 2H₂O a. Which substance is limiting reactant? b. How many grams of it remain unreacted? c. How many grams of CO₂ would be produced? ​

Answers

Answer:

limiting reagent is 02

mass of CO2 is 11g

Explanation:

the limiting reagent is the reagent which is consumed completely

no of mole of CH2 = m in g / molar mass

= 46.0/(12+2)

= 3.285 moles.

no of mole of O2 = 32/32

= 1 mole

from the reaction

1 mole of CH2 ==> 2 mol of O2

3.285 mol ==> 1/2 mol

3.285 mol ==> 0.5 mol

:. since O2 has the lowest mol , it's the limiting reagent

the limiting reagent mol will be used to find the no of mole of CH2

2 mol of O2==> 1 mol of CO2

0.5 mol ==> 0.5/2

0.25 mole of CO2

mass = 0.25 * ( 12+32)

= 11g

you can support by rating brainly it's very much appreciated ✅


1. For the reaction: CH3CO₂H(1) → CH4(g) + CO₂(g)

a. Calculate the entropy, enthalpy and free energy change for the reaction under standard conditions.

b. Calculate the minimum temperature (°C) at which the reaction is spontaneous.

c. Calculate the equilibrium constant at standard conditions.

Answers

To calculate the entropy (ΔS), enthalpy (ΔH), and free energy change (ΔG) for the reaction under standard conditions, we can use the given values:

ΔH = ΣH(products) - ΣH(reactants)

= (-74.8 kJ/mol + 0 kJ/mol) - (-487.0 kJ/mol)

= 412.2 kJ/mol

ΔS = ΣS(products) - ΣS(reactants)

= (213.6 J/(mol K) + 0 J/(mol K)) - (159.8 J/(mol K))

= 53.8 J/(mol K)

ΔG = ΔH - TΔS

= 412.2 kJ/mol - (298 K) * (53.8 J/(mol K) / (1000 J/kJ))

= 412.2 kJ/mol - 16.0 kJ/mol

= 396.2 kJ/mol

Therefore, under standard conditions, the values for the reaction are:

ΔH = 412.2 kJ/mol

ΔS = 53.8 J/(mol K)

ΔG = 396.2 kJ/mol

For more details regarding the reaction, visit:

https://brainly.com/question/30464598

#SPJ1

Mention one structural difference between oligosaccharides and polysaccharides.​

Answers

One structural difference between oligosaccharides and polysaccharides is the number of monosaccharide units they consist of. Oligosaccharides have a relatively small number of monosaccharide units (typically 3 to 10), while polysaccharides have a larger number of monosaccharide units (often hundreds or thousands).

[tex]\huge{\mathcal{\colorbox{black}{\textcolor{lime}{\textsf{I hope this helps !}}}}}[/tex]

♥️ [tex]\large{\textcolor{red}{\underline{\texttt{SUMIT ROY (:}}}}[/tex]

If potassium has 19 protons and it’s found in group 1, how many electrons are in each energy level?

What on the periodic table will tell you the number of VALENCE electrons and the number of energy levels an atom has? (Hint: there are two answers for this question)

Answers

Answer:

please Mark me Brainliest

Explanation:

Potassium has 4 energy levels and 1 valence electron.

The periodic table can tell you the number of valence electrons and the number of energy levels an atom has. The group number tells the number of valence electrons, while the period number tells the number of energy levels.

Weight is best defined as _____. A the amount of space an object takes up B the speed of an object C the force of gravity on an object D the amount of energy in an object

Answers

Weight is best defined as the force of gravity on an object (option C).

What is weight?

Weight is the force on an object due to the gravitational attraction between it and the Earth (or whatever astronomical object it is primarily influenced by).

Weight is different from mass being that weight is a dependent on the gravitational force of the object's habitation, however, mass is not.

For example, the mass of an object on Earth can be 10kg, however, the weight of the object is 100N because the gravitational force of the Earth is 10m/s².

Learn more about weight at: https://brainly.com/question/16795252

#SPJ1


A sound wave is traveling through water at 0°C. Which statement best describes how the speed of the wave will change if the water temperature increase to 20°C

O The wave speed will increase because the particles will collide more frequently.
O The wave speed will increase because the particles transfer energy to the wave.
O The wave speed will decrease because the particles will collide with the wave.
O The wave speed will decrease because the particles will be farther apart.

Answers

Answer:

As the temperature of water increases, the speed of sound waves traveling through it also increases. Therefore, if the water temperature increases from 0°C to 20°C, the speed of the sound wave traveling through it will increase.

Final answer:

The speed of a sound wave in water will increase if the water's temperature increases from 0°C to 20°C due to increased particle collisions resulting from higher kinetic energy.

Explanation:

The best statement that describes how the speed of a wave will change if the water temperature increases from 0°C to 20°C is - The wave speed will increase because the particles will collide more frequently.

This is because an increase in temperature of a fluid (like water) results in an increase in the speed of sound through it. When the temperature increases, the kinetic energy of the particles also increases. As a result, these molecules move around faster, thereby leading to increased collisions which essentially helps the sound wave to propagate faster. So, the speed of the sound wave increases with an increase in temperature.

Learn more about Wave Speed here:

https://brainly.com/question/32331816

#SPJ11

After each event listed, indicate how the concentration of each species in the chemical equation will change to reach equilibrium. An up arrow indicates an increase in concentration, a down arrow indicates a decrease in concentration, and leaving it blank means there is no change in the concentration.

You are currently in a labeling module. Turn off browse mode or quick nav, Tab to items, Space or Enter to pick up, Tab to move, Space or Enter to drop.
2CO(g)
+
O2(g)
↽−−⇀
2CO2(g)

increasing the concentration of CO

increasing the concentration of CO2

decreasing the volume of the system

Answers

When the volume of the system is decreased, the pressure will increase, causing the reaction to shift in the direction that produces fewer gas molecules. In this case, the reaction shifts towards the formation of CO2, increasing the concentration of all species (CO, O2, and CO2).

After each event listed, the changes in concentration for each species to reach equilibrium can be determined:

Increasing the concentration of CO:

CO will decrease (↓)

O2 will not change (blank)

CO2 will increase (↑)

Increasing the concentration of CO2:

CO will not change (blank)

O2 will not change (blank)

CO2 will increase (↑)

Decreasing the volume of the system:

CO will increase (↑)

O2 will increase (↑)

CO2 will increase (↑)

for more questions on gas molecules

https://brainly.com/question/30360942

#SPJ8

A simple calorimeter can be used to measure temperature change in a closed
system during a reaction. An increase in temperature during the reaction MUST
indicate which of the following?


A. The reaction causes a rise in heat capacity.

B. The reaction generates an electrical current.

C. The reaction releases chemical energy.

D. The reaction involves a state change.
Submit

Answers

An increase in temperature during the reaction is an indication that the reaction released chemical energy

Increase in temperature during reactions

The increase in temperature during a reaction in a closed system indicates that the reaction releases chemical energy.

This is because an increase in temperature indicates that energy is being released into the surroundings, and the only way that can happen in a closed system is if it is released by the reaction taking place within the system.

In other words, the correct answer is C. The reaction releases chemical energy.

More on temperature and reactions can be found here: https://brainly.com/question/28606658

#SPJ1

Other Questions
________ scanning devices use fingerprints and iris scanners to identify individualsa. Visualb. Opticalc. Virtuald. Biometric how many classifications of hazardous atmospheres are listed in the nec deterioration of the myelin sheath that encases axons is called: f the spot rate is $1 = 120, and the 30-day forward rate is $1 = 130, the dollar is selling at a premium in the forward market. true false inflammation of the large intestine is known as quizlet The table shows the test scores of students who studied for a test as a group (Group A) and students who studied individually (Group B). Student Test Scores (out of 100) Group A 04 80 77 [Group B 92 92 88 333100 85 83 188 96 92 10 TIME REMAINING 59:49 Which would be the best measures of center and variation to use to compare the data? The scores of Group B are skewed right, so the mean and range are th Measures for parison. O Both distributions are nearly symmetric, so the mean and the standard deviation are the best measures for comparison. Both distributions are nearly symmetric, so the median and the interquartile range are the best measures for comparisg. O The scores of both groups are skewed, so the median and standard deviation are the best measures for comparison. on january 1st, a subsidiary bought 10% of the outstanding shares of its parent. the total book value and fair value of the parent's net assets were $5.5 m, the consideration paid for these shares was $590,000. during the year, the parent reported operating income of $714,000 while paying dividends of $196,000. how were these shares reported at december 31st? which of the following is not a way to alleviate cognitive dissonance?a. Change your behavior. b. Change the facts of the situation. c. Change your belief. d. Smile more. According to Karen Horney, a child might deal with anxiety byA. working hard.B. withdrawing from personal relationships.C. taking time to do something enjoyable.D. talking it out. Which one of the following best represents the predicted approximate chemical shift and coupling for the hydrogen(s) indicated with the arrow. (aromatic ring w chain an o and ch3) housing in a roman city was made up of apartment blocks called for a binomial random variable, x, with n = 25 and p = .4, evaluate in the easiest manner possible p(6 x 12). Localiza las partes de su estructura escribirlas por separado en tu cuaderno indicando a qu parte corresponde cada fragmento responde en tu cuaderno las siguientes preguntas a partir de la noticia leda quin qu cundo dnde y por qu A circular loop of wire has an area of 0.27 m2 . It is tilted by 43 with respect to a uniform 0.37 T magnetic field.What is the magnetic flux through the loop?Please explain the math!! What is the pH of a buffer solution that is 0.200 M NH_3 and 0.300 M NH_4Cl? The Kb of ammonia is 1.80 times 10^-5. 4.74 9.07 9.25 11.3 Luther Burbank produced over 800 varieties of plants by1. genetic engineering. 2. transformation. 3. selective breeding. 4. DNA sequencing a pendulum is constructed on laurus using a mass of 2 kg and a wire of length 0.83 m. find the oscillation frequency of this pendulum (in hz). a major part of the anaconda plan was quizlet Which ski lift begins at a greater height? What is that height?Which ski lift rises more quickly?If the lifts start at the same time what is the height of lift 1 when lift 2 reaches a height of 102 feet? Without using absolute entropy values, predict the sign of deltaS0r times n for each of the following processes. H2S(g) + 1/2 O2(g) rightarrow 1/8 S8(s) + H2O(g) positive negative NH3(g) + HBr(g) rightarrow NH4Br(s) positive negative HCl(aq) + NaOH(aq) rightarrow NaCl(aq) + H2O(l) positive negative