test unit 3 Flashcards
1
Q
energy
A
ability to cause change or do work
2
Q
TEMPERATURE
A
measure of average KE of particles in an object (C)
3
Q
Heat
A
quality of hotness
4
Q
endothermic
A
energy in
5
Q
exothermic
A
energy out
6
Q
Ech
A
chemical energy, bond energy
7
Q
Eth
A
thermal energy
temp change
NO PHASE CHANGE
Particles move fast
8
Q
Eph
A
phase energy
state of matter change
no temp change
arrangment of particles change
9
Q
know how to do heating and cooling curve
A
practice
10
Q
specific heat
A
amount of energy needed to change the temp of 1 gram of a substance by 1 degree celsius
11
Q
what two specific heats go with q=mdeltaTC
A
Cwater and Cice
12
Q
delta H
A
amount og energy needed to change the state of 1 gram of a substance
13
Q
delta H f
A
fusion (freezing and melting)
14
Q
delta H v
A
evaporation and condensation
15
Q
practice problems
A
