Hot Student Stories
Why does the pressure of a gas rise when it is heated?
1 answer
Add you answer
Wanna comment?
Please Sign In / Sign Up
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.