Quiz#4 (Ch6) Flashcards
1
Q
Equilibrium
A
concentrations of all species cease to change
2
Q
steady state
A
no net change but still changes on molecular level– “Dynamic”
3
Q
ΔH
A
=Change in Entalpy
4
Q
ΔS
A
=Change in Entropy
5
Q
-ΔH/+ΔS
A
ΔG
6
Q
-ΔH/-ΔS
A
ΔG
7
Q
+ΔH/+ΔS
A
ΔG
8
Q
+ΔH/-ΔS
A
ΔG>0 @ all temps
NON-SPONTANEOUS
9
Q
ΔG
A
Gibbs Free Energy
ΔG=ΔH-TΔS
10
Q
ΔG0
Thermodynamics in a nutshell
A
ΔG0= -RTlnK
11
Q
What do you do if you have multiple Ks?
A
If you have multiple equilibrium constants….
12
Q
Bronsted-Lowery Acid/ Base
A
acid= proton donor
base=proton acceptor
13
Q
H2PO4- + OH- H3PO4 + H2O
A
b1+a2 a1 + b2
14
Q
Why chose H2PO4-?
A
amphoretic= amphiprotic
subtances that can act as an acid or base
15
Q
autoprotalysis
A
2 neutral and same species combine to create ions