1
Q
Kc (5)
A
- unitless
- does NOT depend on initial concentrations
- does depend on temperature
- solids (reactants or products) no included
- in aqueous solutions, water not included
2
Q
Kp = ?
A
Kc(RT)^(-Δn)
3
Q
-Δn
A
c + d - a - b
4
Q
R = ?
A
0.08206 (L•atm)/(mol•K)
5
Q
Q < K
A
form products
6
Q
Q > K
A
form reactants
7
Q
Q = K
A
@ equilibrium
8
Q
Possible equilibrium disturbances (3)
A
- add or subtract reactants or products (Q)
- change temp (changes Kc)
- change pressure/volume (for gaseous reactions)
Chemistry 151
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