CHEMISTRY CH 10 Flashcards
1
Q
Kinetic molecular theory
A
How molecules move
2
Q
Phase
A
State of matter
3
Q
Equilibrium
A
Two opposing changes occur at same rate
4
Q
Crystalline
A
Repeating pattern of crystals
5
Q
Amorphous and example
A
No patterns, supercooled liquids
Plastic
6
Q
Equilibrium vapor pressure
A
Pressure forms a vapor at equilibrium with its liquid
7
Q
Boiling point
A
Temp when at EVP equals atmospheric pressure
8
Q
Freezing point
A
Liquid and solid are at equilibrium, pressure is 1 atom
9
Q
Enthalpy
A
Energy to change state
10
Q
Triple points
A
All 3 points coexist
11
Q
Critical point
A
Past it, only vapor exists
12
Q
Specific heat
What’s the equation?
A
Heat to change temperature
13
Q
Why can gases expand
A
Because of random motion
14
Q
Hydrogen bonding
A
Hydrogen is bonded to something
15
Q
Solid is less dense than the liquid because of
A
Hydrogen bonding
