How do the following changes affect the value of the equilibrium constant for a
ID: 737180 • Letter: H
Question
How do the following changes affect the value of the equilibrium constant for a gas-phase exothermic reaction:1. removal of a reactant
A. increase equilibrium constant
B. decrease equilibrium constant
C. no effect
2. removal of a product
A. increase equilibrium constant
B. decrease equilibrium constant
C. no effect
3. decrease in the volume
A. increase equilibrium constant
B. decrease equilibrium constant
C. no effect
4. decrease in the temperature
A. increase equilibrium constant
B. decrease equilibrium constant
C. no effect
5. addition of catalyst
A. increase equilibrium constant
B. decrease equilibrium constant
C. no effect
Explanation / Answer
No need to go through the whole question: The equilibrium constant is only affected by temperature change. In an exothermic reaction, an increase im temperature reduces Kc. Opposite for reduction in temperature.
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