Phase Change EOU Review

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Ty had a container of a substance in the gas phase. He left it outside. Upon returning, it was a liquid. What happened?

molecules were moving away from each other then moving around each other

JT has a substance moving in place in a closed container. What happens if he transfers heat into the closed container?

molecules move faster and the substance would be a liquid

Two substances were in liquid form and got energy transferred out. Substance 1 changed, but substance 2 didn't. Why?

substance 1 had stronger attraction; molecules now move in place

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