Conserving Mass And Change Flashcards
1
Q
Law of conservation of mass
A
Mass is neither created nor destroyed during chemical processes, it is conserved
2
Q
Chemical reaction observations
A
Colour change
New odour
New products formed
Bubbling
Energy change
3
Q
Exothermic reaction
A
Energy maybe released into the surroundings
Temperature increase
4
Q
Endothermic reaction
A
Energy maybe taken from surroundings
5
Q
Energy unit
A
Joules
6
Q
Mass =
A
Volume x concentration