EQUILIBRIUM AND EXTERNAL EFFECTS

• Temperature change ? change in K

• Consider the fizz in a soft drink

• Increase T

Equilibrium shifts left: [CO2(g)] ? [CO2 (aq)] ?

K decreases as T goes up.

• Decrease T

[CO2 (aq)] increases and [CO2(g)] decreases.

K increases as T goes down

Kc = [CO2(aq)]/[CO2(g)]

• Change T: New equilib. position? New value of K?

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