1) Changing State ( 2 ) Flashcards
1
Q
what happens to the mass when a substance changes state
A
its mass is conserved
2
Q
why are changes of state not the same as chemical reactions and what would be the outcome if the change was chemical
A
the material gets back its old properties when it’s materials are reversed. if it was chemical it couldn’t be reversed
3
Q
what are the 3 stages of Change of Mass
A
1) Mass is conserved
2) Reversible
3) Physical processes