Who was the first to propose the existence of atoms? john dalton democritus joseph proust ernest rutherford

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

What does the symbol (–hfus) indicate in a phase change?

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?