If the volume of a gas is held constant and the sample is at STP, what will happen to the pressure when the Temperature is increased to 100.0 degrees C?

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

C. definite shape, definite volume. that is a solid.