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Questions and Answers
What happens when a substance is heated?
What happens when a substance is heated?
- The atoms/molecules themselves expand in size
- The temperature decreases as the atoms/molecules slow down
- The atoms/molecules gain energy and move faster (correct)
- The atoms/molecules lose energy and move slower
When a gas is cooled, what happens to its volume?
When a gas is cooled, what happens to its volume?
- The volume decreases as the atoms/molecules get closer together (correct)
- The volume increases as the atoms/molecules gain energy and move faster
- The volume increases as the atoms/molecules spread further apart
- The volume remains constant as cooling does not affect the gas
How do gaseous atoms/molecules travel?
How do gaseous atoms/molecules travel?
- They remain stationary and do not travel at all
- They travel in circular patterns until they collide with each other
- They travel in straight lines until they collide with each other or an object (correct)
- They travel in random directions, never colliding with each other
What causes the detection of an odor in a gas?
What causes the detection of an odor in a gas?
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What is temperature a measurement of?
What is temperature a measurement of?
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