Iwill rate need quick
if the temperature and pressure of a gas are held constant, and the number of moles is increased, the volume will

You will need the Gas Law:

pV = nRT

Since T and p are constant, R is constant too, then moles increases->volume will increase with the same ratio too!

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.

12 is probably the typical age for a first kiss but i think its to young.