The atoms that are present in all 3 reactions are

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k

Which terms are used to identify pure substances

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?