Questions and Answers
What is the main difference between evaporation and boiling?
Evaporation occurs only at the surface of a liquid, while boiling occurs throughout the liquid.
What is the boiling point of a substance?
The temperature at which the substance changes from a liquid to a gas.
What happens when a liquid boils?
The liquid's temperature remains constant until all molecules turn into a gas.
Which of the following statements about evaporation is not true?
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If a drop of rubbing alcohol is placed on your hand and on a table, which scenario will result in faster evaporation?
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What happens to the speed of the atoms/molecules in a substance when energy is transferred to it?
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How does temperature relate to the speed of atoms/molecules in a substance?
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What happens to the volume of a substance when its atoms/molecules move faster?
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In what state are the atoms/molecules when a substance is cooling down?
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What happens to collisions between atoms/molecules when a substance is warmed?
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What is the main consequence of cooling a substance in terms of its volume?
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