AnswersSY2026-27 - 2003340 Chemistry 1 Sem 2 CRLab: Boyle’s Law

The Ideal Gas Law Answers

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1
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A student uses the value 0.0821 L• atm/mol • K for the gas constant in the ideal gas law. What are the most appropriate units for pressure, volume, and temperature in this case?

A
P has the units of atm, V has units of milliliters, and T has the units of kelvin.
B
P has the units of mmHg, V has units of liters, and T has the units of degrees Celsius.
C
P has the units of atm, V has the units of liters, and T has units of kelvin.
D
P has units of liters, V has units of liters, and T has units of degrees Celsius.
2
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Which laws can be combined to form the ideal gas law?

A
Boyle’s law and Charles’s law
B
Gay-Lussac’s law and Avogadro’s law
C
Charles’s law, Avogadro’s law, and Boyle’s law
D
Dalton’s law, Gay-Lussac’s law, and Avogadro’s law
3

Which equation agrees with the ideal gas law?

A
mc005-1.jpg
Option A
B
mc005-2.jpg
Option B
C
mc005-3.jpg
Option C
D
mc005-4.jpg
Option D
4

Which law relates to the ideal gas law?

A
mc004-1.jpg
Option A
B
mc004-2.jpg
Option B
C
mc004-3.jpg
Option C
D
mc004-4.jpg
Option D
5

What is the temperature of 0.750 mol of a gas stored in a 6,850 mL cylinder at 2.21 atm?Use and .

Question illustration
A
2.95 K
B
5.24 K
C
138 K
D
246 K
6

Avogadro’s law and Charles’s law describe a proportionality of the volume of a gas when the pressure is constant. Which describes the proportionality that allows these laws to be combined when describing a gas?

A
Volume is directly proportional to temperature (Avogadro’s law) and to moles (Charles’s law).
B
Volume is inversely proportional to temperature (Avogadro’s law) and to moles (Charles’s law).
C
Volume is directly proportional to moles (Avogadro’s law) and to temperature (Charles’s law).
D
Volume is inversely proportional to moles (Avogadro’s law) and to temperature (Charles’s law).
7

What is the pressure of 0.540 mol of an ideal gas at 35.5 L and 223 K?Use and .

Question illustration
A
0.715 kPa
B
2.45 kPa
C
28.2 kPa
D
62.7 kPa
8

What is the temperature of 0.80 mol of a gas stored in a 275 mL cylinder at 175 kPa?Use and .

Question illustration
A
4.6 K
B
7.2 K
C
61 K
D
96 K
9

Which statement would be the most useful for deriving the ideal gas law?

A
Volume is directly proportional to the number of moles.
B
Volume is inversely proportional to the temperature.
C
Pressure is directly proportional to the volume.
D
Pressure is inversely proportional to the number of moles.
10

A gas has experienced a small increase in volume but has maintained the same pressure and number of moles. According to the ideal gas law, how has the temperature of the gas changed?

A
It has increased two times.
B
It has increased slightly.
C
It has decreased slightly.
D
It has stayed the same.
11

Which law states that the volume of a gas is proportional to the moles of the gas when pressure and temperature are kept constant?

A
Boyle’s law
B
Dalton’s law
C
Charles’s law
D
Avogadro’s law
12

Which proportionality applies to Avogadro’s law?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
13

Which law relates temperature, pressure, volume, and the number of moles of a gas under perfect conditions?

A
Boyle’s law
B
Charles’s law
C
ideal gas law
D
combined gas law
14

Consider a balloon that has a volume V. It contains n moles of gas, it has an internal pressure of P, and its temperature is T. If the balloon is heated to a temperature of 15.5T while it is placed under a high pressure of 15.5P, how does the volume of the balloon change?

A
It doubles.
B
It stays the same.
C
It increases greatly.
D
It decreases slightly.
15

If the pressure, volume, and the number of moles of a gas are known, which is needed to calculate the universal gas constant from the ideal gas law?

A
the temperature of the gas
B
the molar volume of the gas
C
the molar mass of the gas
D
the partial pressure of the gas

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