Understanding Phase Changes: Liquid to Gas

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What is evaporation?

When molecules at the surface of a liquid gain enough energy to enter the gaseous state

What happens during boiling?

Molecules throughout the liquid gain enough energy to enter the gaseous state

Does evaporation occur only at high temperatures?

No, evaporation can occur at any temperature

Why does rubbing alcohol evaporate faster on your hand than on a table?

<p>Because molecules on your hand are moving faster than on the table</p> Signup and view all the answers

What happens to the temperature of a liquid when it is boiling?

<p>The temperature remains constant until all molecules turn into a gas</p> Signup and view all the answers

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