KMT and Gas Behaviors

At constant temperature, when the volume of a gas is decreased, what happens to its pressure?

• It increases

• It decreases

• It will vary

• It remains constant

_______ law describes the relationship between a gas's volume and pressure when its temperature is constant.

• Boyle's

• Charles

• Kelley's

• Cross's

At constant pressure, when the temperature of a gas is decreased, what happens to its volume?

• it decreases

• it will vary

• it increases

• it remains constant

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NGSS.MS-PS1-4

At constant volume, when the temperature of a gas decreases, the pressure _______.

• decreases

• increases

• does nothing

• explodes

How does increasing the temperature affect the pressure of a gas in a closed container?

• Pressure decreases

• Pressure remains constant

• Pressure increases

• Pressure fluctuates

Tags

DOK Level 2: Skill/Concept

Which of the following best describes the behavior of gas particles?

• They vibrate in place

• They slide past each other

• They move freely and rapidly

• They are fixed in a rigid structure

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DOK Level 1: Recall

How does the density of a gas compare to that of a liquid or solid?

• Higher than both

• Lower than both

• Equal to both

• Higher than liquid but lower than solid

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DOK Level 2: Skill/Concept

Explain why gases are compressible while solids and liquids are not.

• Gases have high density

• Gases have weak intermolecular forces

• Gases have strong intermolecular forces

• Gases have low kinetic energy

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DOK Level 3: Strategic Thinking

If the sun shining through windows heats air in a sealed room, what happens to the air pressure in that room?

• It increases

• It decreases

• It will vary

• It remains constant

Tags

NGSS.MS-PS1-4

When Martin pushes down on the handle of his bicycle pump, the air pressure within the pump _______.

• increases

• decreases