15.2 Le Chatelier's Principle
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If a stress is placed on a system at equilibrium, the system will respond to counteract the stress.
| REACTION QUOTIENT | |
|---|---|
| Q | Result |
| Q < K | Shift Right |
| Q > K | Shift Left |
| Q = K | At Equilibrium |
| LE CHATELIER’S PRINCIPLE | |
|---|---|
| Indicate the resulting shift in equilibrium (if any) for each of the following changes to the system at equilibrium.2C(s) + O2(g) ⇌ 2CO(g) ΔH° = -221kJ/mol | |
| Change | Shift |
| Increase [O2] | |
| Decrease [CO] | |
| Add C(s) | |
| Increase Temperature | |
| Increase Pressure (decrease volume) | |
| Add Ar(g) (at constant volume) | |