Identify the gas law that applies to the following scenario: If a gas in a closed container is pressurized from 18.0 atm to 14.0 atm and its original
temperature was 35.0°C, what would the final temperature of the gas be?
Charles' Law
O Avogadro's Law
O Boyle's Law
O Gay-Lussac's Law
Answer:
Gay-Lussac's Law
Explanation:
The pressure is directly proportional to the absolute temperature under constant volume. This states the Gay-Lussac's law. The equation is:
P1T2 = P2T1
Where P is pressure and T absolute temperature of 1, initial state and 2, final state of the gas.
That means the right option is:
- Gay-Lussac's Law
If I dilute 250 mL of 0.50 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be?
Answer:
The right answer is "0.17 M".
Explanation:
The given values are:
Volume,
V₁ = 250 mL
V₂ = 750 mL
Molarity,
M₁ = 0.50 M
M₂ = ?
As we know,
⇒ [tex]M_1 V_1=M_2 V_2[/tex]
or,
⇒ [tex]M_2=\frac{M_1 V_1}{V_2}[/tex]
On substituting the values, we get
⇒ [tex]=\frac{0.50\times 250}{750}[/tex]
⇒ [tex]=\frac{125}{750}[/tex]
⇒ [tex]=0.17 \ M[/tex]
The volume of a gas at 4.50 atm is 1.90 L, if the pressure of the gas is increased to 6.70 atm, what is the new
volume? In this problem, V2 =
tje new preasure is 10.7l
Speed is the rate of change of position expressed as _____ traveled per unit of time. A. direction B. meter C. displacement D. distance
Answer. Speed is the rate of change of position expressed as distance travelled per unit of time
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Answer:
distance
Explanation:
how can a chemical reaction be compared to shuffling a deck of cards?
Answer:
The cards (matter) can be rearranged constantly, placed with others, the total or resent amount remains constant.
Explanation:
A chemical reaction be compared to shuffling a deck of cards then the cards can be rearranged constantly, the total amount remains constant.
What is chemical reaction ?A chemical reaction is a procedure that causes one group of chemical components to change chemically into another.
We can learn about a substance's qualities by studying chemical reactions. We can learn about a substance's chemical characteristics by looking at how it interacts with other substances. These characteristics can be utilized to recognize an unidentified sample.
When atoms establish or break chemical bonds, chemical processes take place. Reactants are the substances that begin a chemical reaction, while products are the compounds that are created as a result of the reaction.
Thus, A chemical reaction be compared to shuffling a deck of cards then the cards can be rearranged constantly, the total amount remains constant.
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How long does it take for fruit flies to develop from embryos to adults?
A graph of gas pressure versus the number of particles in a container is a straight line. Which other relationship will have a similar graph? volume versus pressure, because they are also directly proportional volume versus temperature, because they are also directly proportional volume versus pressure, because they are also inversely proportional volume versus temperature, because they are also inversely proportional
Answer:
b
Explanation:
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The other relationship that will have a similar graph is volume versus temperature, because they are also directly proportional according to Charles's Law.
What is Charles's Law?Charles's Law is a gas law that states that the volume of a fixed mass of gas at a constant pressure is directly proportional to its absolute temperature.
This means that as the temperature of a gas increases, the volume of the gas will also increase proportionally, and as the temperature of a gas decreases, the volume of the gas will decrease proportionally.
Therefore, if a graph of gas pressure versus the number of particles in a container is a straight line, a graph of volume versus temperature will have a similar shape and be directly proportional, because they are both affected by changes in temperature.
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One is a negative environmental consequence of surface mining?
Answer:
Surface mining (also known as "strip mining") has the potential to significantly erode soil fertility, pollute waters, deplete underground water sources, scar or altar the landscape, damage roads, houses, and other buildings, and kill wildlife.
What are three similarities between biotic and abiotic factors?
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Which model could represent a neutral atom of nitrogen
Answer:
The answer is c.1. The atomic number of nitrogen is 7.
The electron arrangement of nitrogen is 2.5. With that said, atom 1 resembles the neutral atom of nitrogen because the innermost shell of the atom contains 2 electrons while the outermost shell of the atom contains 5 electrons.
The model that could represent a neutral atom of nitrogen is the first one. Thus, the correct option is C.
What is a Nitrogen atom?A nitrogen atom may be defined as a chemical element with an atomic number of 7 and an atomic mass of 14. It contains seven protons in its nucleus.
Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table. Being neutral, the number of protons that it has in its nucleus must be equal to that of the surrounding electron. Hence, the number of electrons are seven.
These seven electrons are only visible in the first model. Thus, the correct option for this question is C.
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The amount of radioactive carbon-14 in a sample is measured using a Geiger counter, which records each disintegration of an atom. Living tissue disintegrates at a rate of about 13.5 atoms per minute per gram of carbon. In 1977 a charcoal fragment found at Stonehenge, England, recorded 8.2 disintegrations per minute per gram of carbon. Assuming that the half-life of carbon14 is 5730 years and that the charcoal was formed during the building of the site, estimate the date when Stonehenge was built
Answer:
4121 years
Explanation:
From;
0.693/t1/2 = 2.303/t log No/N
t1/2= half life of the carbon-14
No= count rate of the living tissue
N= count rate of the sample
t = age of the sample
0.693/5730 =2.303/t log (13.5/8.2)
1.21 * 10^-4 = 2.303/t * 0.2165
1.21 * 10^-4 = 0.4986/t
t = 0.4986/1.21 * 10^-4
t = 4121 years
Suppose Earth was tilted much less on its axis. What effect would this have on the planet? Please help me !
Answer:
If Earth was tilted much less on its axis, it would lead to minor changes in precipitation and temperatures as Earth moves slightly towards and away from the sun.
Explanation:
If a planet tilts more, it leads to colder winters and warmer summers. However, if a planet tilts less, it leads to less severe seasons that is and milder winters and cooler summers.
If Earth was tilted much less on its axis, it would lead to minor changes in precipitation and temperatures as Earth moves slightly towards and away from the sun.
A nuclide is defined as?
Answer:
Nuclide, , also called nuclear species, species of atom as characterized by the number of protons, the number of neutrons, and the energy state of the nucleus. ... The term nuclide is not synonymous with isotope, which is any member of a set of nuclides having the same atomic number but differing mass number.
Explanation:
Answer:
a distance isotope of an atom
Explanation:
Which indicator would tell scientists the most about future climate change
Wat two common uses for Zinc???
Answer:
Zinc oxide is used in the manufacture of many products such as paints, rubber, cosmetics, pharmaceuticals, plastics, inks, soaps, batteries, textiles and electrical equipment.
Explanation:
Use
your table of values to solve the problem below:
What is the (delta)Srxn of the following unbalanced reaction?
N2(g) +
O2(g) →
NO2(g)
do not round
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What is an action your citizens can take to prevent water waste?
25) In a certain area where there are many farms, the groundwater levels have dropped by as much as 10 m over a period of 30 years. The main cause behind this is MOST LIKELY
A) the evaporation of water from aquifers.
B) the excessive pumping of water through wells.
C) the leakage of fertilizers from the farms into the aquifer.
D) the construction of a dam to divert water into a reservoir.
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I will give Brainliest to 1st right answer!
Answer:
I a, answering so the other dude can get brainily oh and yeah its b
Explanation:
The excessive pumping of water through well is the major reason for the drop of ground water level. The nearby farms over use water and pumps from undergrounds.
What is underground water?Water beneath the earth surface is called ground water. The storage of ground water is a very important in all areas to sustain our need for water and it must be maintained pure without the presence of overdose of heavy metals and other impurities.
Reduction in the level of ground water storage is a serious issue that might leads to a scenario where the drinking water is not sufficient. The uncontrolled use of pump water by factories, industries and farms results in the drop of ground water level.
The nearby farms might pumping water from sources uncontrollably in the area. That is the main reason of dropping in ground water level. Hence, option B is correct.
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100 pointts pls answer quick and no link :In the reaction, Hydrogen + Iodine --> Hydrogen Iodide at equilibrium, some Iodine is is added. What happens to the equilibrium?
Answer:
the concentration of hydrogen iodide will be higher than it was in the original equilibrium conditions.
How is a water wave similar to a pendulum?
Answer:
side to side?
Explanation:
Which of the following statements is true?
Mushrooms and algae are part of the fungi group.
Fungi are a special type of plant.
Fungi can feed off both living and dead organisms.
Fungi can make their own food using photosynthesis.
Answer:
Mushroom and algae are part of the fungi group
Which of the following statements describes how humans would be affected if the ozone layer of Earth’s atmosphere were very damaged?
A. People would not spend as much time indoors.
B. The amount of food people eat each year would increase.
C. Human skin would burn much faster even with less exposure to sunlight.
D. Plants and flowers would grow much larger and produce more oxygen for people to breathe.
i thank its B my big brother helped me we thank its b
How many moles of Manganese there in are 5.76 x 10(15) atoms of Mn?
How many moles of sodium chloride are in a 431.6 g sample of NaCl?
Answer:
1. 9.57 × 10^-9 moles.
2. 7.38mol
Explanation:
1.) To find the number of moles there are in the number of particles in an atom, we divide the number of particles (nA) by Avagadro's constant (6.02 × 10^23)
Hence, to find the number of moles (n) of Manganese (Mn), we say:
5.76 x 10^15 atoms ÷ 6.02 × 10^23
5.76/6.02 × 10^(15-23)
= 0.957 × 10^-8
= 9.57 × 10^-9 moles.
2.) Mole = mass/molar mass
Molar mass of sodium chloride (NaCl) = 23 + 35.5
= 58.5g/mol
mole = 431.6 g ÷ 58.5g/mol
mole = 7.38mol
Please answer all of the examples below!
Answer:
The first one is balanced. The second one is not.
Explanation:
The first one is balanced because there are the same amount of elements on the reactant side as there are on the product side. The second one is not balanced because there are not the same amount of elements on the reactant side as there are on the product side. Therefore, it is not balanced
More Detailed: first example
Reactant side (left of arrow)
H: 2
C: 1
O: 3
Product side (right of arrow)
H: 2
C: 1
O: 3
More detailed: second example
Reactant side:
Na: 1
O: 1
H: 1
C: 1
Product side:
Na: 2
O: 4
H: 2
C: 1
the variables needed to balance this equation is 2,1, 1, 1.
What is the molarity of a solution where one mole of NaOH is added to 2000mL of water
Answer:
Molarity of a solution where one mole of NaOH is added to 2000mL of water is 0.0005
Explanation:
Molarity is the equal to number of moles of solute divided by total volume of solvent
Given -
Number of moles of solute i.e NaOH = 1
Total volume of solvent i.e water = 2000 mL
Molarity [tex]\frac{1}{2000} = 0.0005[/tex]
You mix two amino acids together: glu and ser. If they reacted, how many different dipeptides would you expect to get? List them.
I'm really struggling with amino acids, so any help is appreciated! I won't be clicking any links, though.
Answer:
Answers 1. An amide linkage between the carboxyl group of one amino acid and the amine group of the other amino acid. 2. An ester is a compound formed from the reaction of a carboxylic acid and an alcohol. ( I apologise, I cant figure out number 3.. )
A sample of air starts at STP. The volume and moles remains the same, what happens to the pressure if the temperature changes to 317 K?
show steps
Answer:
Pressure increases to 1.16 atm if the temperature changes to 317 K.
Explanation:
The STP conditions refer to the standard temperature and pressure. Pressure values at 1 atmosphere and temperature at 0 ° C (or 273 K) are used and are reference values for gases. And in these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.
On the other hand, Gay Lussac's law indicates that when there is a constant volume, as the temperature increases, the pressure of the gas increases. And when the temperature is decreased, the pressure of the gas decreases. This law mathematically indicates that the quotient between pressure and temperature is constant:
[tex]\frac{P}{T}=k[/tex]
Studying an initial state 1 and a final state 2 is fulfilled:
[tex]\frac{P1}{T1}=\frac{P2}{T2}[/tex]
In this case:
P1= 1 atmT1= 0 C= 273 KP2= ?T2= 317 KReplacing:
[tex]\frac{1 atm}{273 K} =\frac{P2}{317 K}[/tex]
Solving:
[tex]P2=317 K*\frac{1 atm}{273 K}[/tex]
P2= 1.16 atm
Pressure increases to 1.16 atm if the temperature changes to 317 K.
The temperature of 170 g of a material decreases by 20.0⁰C when it loses 3050 J of heat. What is its specific heat
Answer:
0.897 J/g.⁰C
Explanation:
Given the following data:
m = 170 g (mass)
ΔT = 20.0⁰C (change in temperature)
q = 3050 J (amount of heat)
The amount of heat (q) is calculated as follows:
q = m x Cp x ΔT
Thus, we introduce the data in the mathematical expression to calculate the specific heat (Cp):
Cp = q/(m x ΔT) = 3050 J/(170 g x 20.0⁰C) = 0.897 J/g.⁰C
PLEASE HELP PLEASE!!ASAP!
Answer:
The mass of oxygen will be 19.53g
How can genetic mutations be passed to offspring?
A. In sex cells
B. In body cells
C. Through environmental factors
D. Through animal transmission factors
Answer:
I think the answer is b
Explanation:
I hope this helps