The Ideal Gas Law Answers

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Which equation agrees with the ideal gas law?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
2
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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).
3

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
4

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.
5

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.
6

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
7

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
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

Consider the proportionality below.What does this best represent?

Question illustration
A
Dalton’s law
B
Charles’s law
C
ideal gas law
D
combined gas law
10

Which proportionality applies to Avogadro’s law?

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

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