1
Q
unit for mass in density equ?
A
kg
2
Q
what is internal energy the sum of?
A
kinetic and potential energy of a substance
3
Q
density?
A
how tight matter is packed
4
Q
what type of process is a change of state? why?
A
physical, can be reversed
5
Q
difference between evaporation and boiling?
A
evaporation at surface, boiling through liquid
6
Q
breaking bonds? making bonds?
A
breaking- endothermic
making- exothermic
7
Q
latent heat?
A
amount of heat needed for a sbustance to change state
8
Q
potential energy?
A
energy stored in particles due to there state
9
Q
pressure is directly proportional to?
A
temperature
10
Q
what is volume inversley proportional to?
A
pressure
11
Q
boyles law equ
A
pressure x vol = cnstant ( think ratios)
