Chapter 11
Gases
- Which of the following is not a gas at room temperature and pressure?
- NH3
- CO2
- C. I2
- CH4
- H2
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Classification and States of Matter
Topic: Study of Chemistry
- Which is not a property of a gas?
- the density of a gaseous substance varies strongly with temperature.
- a sample of gas assumes the shape and volume of its container.
- gases are highly compressible.
- D. the densities of gases are much larger than those of corresponding liquids.
- gases form homogeneous mixtures with one another in any proportion.
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Density of a Gas
Subtopic: Properties of Matter
Topic: Gases
Topic: Study of Chemistry
- Which of the following is/are characteristic(s) of gases?
- high compressibility
- relatively large distances between molecules
- formation of homogeneous mixtures regardless of the nature of gases
- choice 1 and 2 only
- E. choice 1, 2, and 3
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Density of a Gas
Subtopic: Properties of Matter
Topic: Gases
Topic: Study of Chemistry
- Which represents the definition of pressure?
- volume/density
- temperature × area
- moles/volume
- D. force/area
- volume × force
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Units of Pressure and STP
Topic: Gases
- A pressure that will support a column of Hg to a height of 256 mm would support a column of water to what height? The density of mercury is 13.6 g/cm3; the density of water is 1.00 g/cm3.
- A. 348 cm
- 1.00 × 102 ft
- 18.8 mm
- 33.8 ft
- 76.0 cm
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Bloom’s Level: 4. Analyze
Chapter: 11 Gases
Difficulty: Medium
Subtopic: Units of Pressure and STP
Topic: Gases
- A sample of hydrogen gas exerts a pressure of 466 torr in a container. What is this pressure in atmospheres? (1 atm = 1.01325 ×105 Pa = 760 torr)
- 0.217 atm
- 0.466 atm
- C. 613 atm
- 1.63 atm
- 4.60 atm
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Bloom’s Level: 3. Apply
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Units of Pressure and STP
Topic: Gases
- The pressure of hydrogen sulfide gas in a container is 3.565 ×104 Pa. What is this pressure in torr? (1 atm = 101,325 Pa = 760 torr)?
- 46.91 torr
- B. 4 torr
- 351.8 torr
- 3612 torr
- 2.709 ×104 torr
Accessibility: Keyboard Navigation
Bloom’s Level: 3. Apply
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Units of Pressure and STP
Topic: Gases
- The pressure of sulfur dioxide in a container is 159 kPa. What is this pressure in atmospheres? (1 atm = 101,325 Pa = 760 torr)?
- 0.209 atm
- 0.637 atm
- C. 57 atm
- 21.2 atm
- 1.59 ×104 atm
Accessibility: Keyboard Navigation
Bloom’s Level: 3. Apply
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Units of Pressure and STP
Topic: Gases
- The air pressure in a volleyball is 75 psi. What is this pressure in torr? (1 atm = 14.7 psi = 101,325 Pa = 760 torr)?
- 520 torr
- 562 torr
- C. 3900 torr
- 7600 torr
- 75,000 torr
Accessibility: Keyboard Navigation
Bloom’s Level: 3. Apply
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Units of Pressure and STP
Topic: Gases
- If the atmospheric pressure in Denver is 0.8800 atm, what is this pressure expressed in mmHg? (1 atm = 101,325 Pa = 760 torr, 1 torr = 1 mmHg)?
- 151.5 mmHg
- 1.16 × 10–3 mmHg
- 863.6 mmHg
- 8.92 × 104 mmHg
- E. 8 mmHg
Accessibility: Keyboard Navigation
Bloom’s Level: 3. Apply
Chapter: 11 Gases
Difficulty: Easy
Subtopic: Units of Pressure and STP
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