AnswersFL-2003350-Chemistry 1 HonorsStoichiometric Calculations

The Ideal Gas Law Answers

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1
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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
2
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Which proportionality applies to Avogadro’s law?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
3

Which equation agrees with the ideal gas law?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
4

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
5

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.
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

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
8

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
9

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.
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.

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