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📚 STS JST PAST PAPER 2026
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Which does NOT describe a reaction at equilibrium?
📚 STS JST PAST PAPER 2026
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Which does NOT describe a reaction at equilibrium?
A
Forward and backward reactions occur at an equal rate
B
The system must be closed
✓
Kc increases as the reaction progresses
D
Concentrations of reactants and products are constant
💡
Explanation:
At equilibrium Kc is constant not increasing. Kc only changes with temperature.
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