Chemistry / Unit 10 Chem 1755 short lesson, about 20 seconds
K Depends Only on Temperature
Captions available
The idea
A given reaction's equilibrium constant has one value at a given temperature and changes only if temperature changes, regardless of starting concentrations or pressure.
In practice
Starting a reaction with pure reactants or with a mixture of reactants and products yields the same K at a fixed temperature.
Where people slip
Adding more reactant shifts concentrations at equilibrium, but it does not change K itself.
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