On a sheet of paper, write the word or phrase that completes each sentence. 3619 2ab1. In the ideal gas law, R is a fixed value called the. les 2. In the ideal gas law, n stands for the number of 3. If you are given the mass of a gas sample, you must convert this to before using the ideal gas law. On a sheet of
On a sheet of paper, write the word or phrase that completes each sentence. 3619 2ab1. In the ideal gas law, R is a fixed value called the. les 2. In the ideal gas law, n stands for the number of 3. If you are given the mass of a gas sample, you must convert this to before using the ideal gas law. On a sheet of
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Chapter5: The Gaseous State
Section: Chapter Questions
Problem 5.32QP: A 3.00-L flask containing 2.0 mol of O2 and 1.0 mol of N2 is in a room that is at 22.0C. a How much...
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Question
Transcribed Image Text:Lesson 5
REVIE W
On a sheet of paper, write the word or phrase that completes
bris9 each sentence. 3619gms
2abi 1. In the ideal gas law, R is a fixed value called the
losob 2. In the ideal gas law, n stands for the number of
a don 3. If you are given the mass of a gas sample, you must convert
this to
before using the ideal gas law.
On a sheet of paper, write the letter of the answer to each
question.
od snim
4. What is the volume of 82.0 g of NH, gas at STP?
A 0.215 L
B 17.0 g
C 62.2 L
D 108 L
5. What mass of krypton gas has a volume of 2.33 L at 53°C
and 311 kPa?
wo
A 22.4 g
B 44.8 g
C 342 g
D 2,080 g
6. 17.0 g of CI, gas has a volume of 9.22 L at 17°C. What is its
pressure?
A 0.618 atm B 1.24 atm
C 43.8 atm
D 62.6 atm
Critical Thinking
On a sheet of paper, write the answer to each question. Show all
calculations.
7. Solve the equation PV=nRT for R. What is the unit of Rif
P is in atmospheres, V is in liters, n is in moles, and T is in
kelvins?
8. 25.7 L of O, gas is at 35°C and 121 kPa. What is its mass?
9. 83.2 g of N,0 gas is at 75°C and 0.352 atm. What is its
volume?
10. 75.2 g of SO, gas has a volume of 42.1 L and a pressure of
69.6 kPa. What is its temperature in kelvins?
291
Gases
Chapter 7
Transcribed Image Text:Lesson 3
REVIE W
On a sheet of paper, write the letter of the answer to each
question.
1. In a mixture of dry air, the partial pressures of N,,02, and
CO, are 593.4 mm Hg, 159.2 mm Hg, and 7.4 mm Hg,
respectively. What is the total pressure of this mixture?
A 426.8 mm Hg
B 593.4 mm Hg
C 759.7 mm Hg
D 760.0 mm Hg
2. In a gas mixture of He, Ne, and Kr, the total pressure is 125
kPa. The partial pressure of Ne is 73 kPa, and the partial
pressure of Kr is 21 kPa. What is the partial pressure of He?
A 31 kPa
B 73 kPa
C 125 kPa
D 219 kPa
3. A sample of H, is collected over water at 20°C. The total
pressure of the H, and H,0 mixture is 743.2 mm Hg.
What is the partial pressure of the H, gas? (Hint: Use
Table 7.3.1.)
A 21.2 mm Hg
B 725.7 mm Hg
C 743.2 mm Hg
D 764.4 mm Hg
Critical Thinking
On a sheet of paper, write the answer to each question. Show all
calculations. You may have to convert between units.
4. A gas mixture has these partial pressures: helium at 1.52
atm, neon at 455 mm Hg, and argon at 25.2 kPa. What is
the total pressure of the mixture in atmospheres?
5. A sample of oxygen is collected over water at 40°C. The
total pressure of the mixture is 102.0 kPa. What is the
partial pressure of the oxygen in kilopascals?
(Hint: Use Table 7.3.1.)
Chapter 7
277
Gases
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