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Why does the pressure of a gas rise when it is heated?

Chelsea Hayes

in Studying

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1 answer

Kristi Hammond on November 16, 2018

The heat makes the molecules of a substance to become excited and to expand. Gas has neither shape nor volume of its own, so that when heat is added, the molecules in a gas are spread further apart. So, in general, could increase in volume. However, if there is not enough space to accommodate the new volume, the increase of the pressure in place.

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