Chapter 05 Gases

Chapter 05 Gases

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

7. Which of these properties is/are characteristic(s) of gases?
   A.High compressibility
   B. Relatively large distances between molecules
   C. Formation of homogeneous mixtures regardless of the nature of gases
   D. A and B.
   E. A, B, and C.

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 05.01
Subtopic: Properties of Matter
Subtopic: Units of Pressure and STP
Topic: Gases
Topic: Study of Chemistry

8. A sample of pure nitrogen has a temperature of 15°C. What is the temperature of the nitrogen in units of Kelvin?
   A.300 K
   B. 290 K
   C. 288 K
   D. 288.2 K
   E. 288.15 K

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 05.03
Subtopic: Measurements (SI Units)
Topic: Study of Chemistry

9. Which of the following describes Dalton’s Law?
   A.The pressure of a gas is proportional to its volume.
   B. The total pressure of a gas mixture is the sum of the partial pressures of each gas in the mixture.
   C. The temperature of a gas is proportional to its volume.
   D. Only one variable can be changed from an initial state to a final state for a gas.

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 05.06
Subtopic: Dalton’s Law of Partial Pressures
Topic: Gases

10. Which of the following statements is consistent with Boyle’s Law concerning an ideal gas?
    A.At constant temperature and moles, a plot of volume versus pressure is linear.
    B. At constant pressure and volume, a plot of temperature versus moles is linear.
    C. At constant pressure and moles, a plot of temperature versus volume is linear.
    D. At constant temperature and moles, a plot of pressure versus the inverse of volume is linear.
    E. At constant temperature and pressure, a plot of moles versus volume is linear.

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 05.03
Subtopic: The Gas Laws (Boyle, Avogadro and Charles)
Topic: Gases

11. At constant temperature, the volume of the container that a sample of nitrogen gas is in is doubled. As a result the pressure of the nitrogen gas is halved. The amount of nitrogen gas is unchanged in this process. This is an example of:
    A.Boyle’s Law
    B. Avogadro’s Law
    C. Charles’s Law
    D. Dalton’s Law
    E. Gay-Lussac’s Law

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 05.03
Subtopic: The Gas Laws (Boyle, Avogadro and Charles)
Topic: Gases

12. At constant temperature and volume, a sample of oxygen gas is added to a sample of nitrogen gas. The pressure of the mixture is found by adding the pressures of the two individual gases. This is an example of:
    A.Boyle’s Law
    B. Charles’s Law
    C. Gay-Lussac’s Law
    D. Avogadro’s Law
    E. Dalton’s Law

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 05.06
Subtopic: The Gas Laws (Boyle, Avogadro and Charles)
Topic: Gases

13. A sample of a gas occupies 1.40 ´ 10³ mL at 25°C and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg?
    A.2,800 mL
    B. 2,100 mL
    C. 1,400 mL
    D. 1,050 mL
    E. 700 mL

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 05.03
Subtopic: The Gas Laws (Boyle, Avogadro and Charles)