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If the equilibrium constant Kc for a reaction is 10 at a certain temperature, wh

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Question: If the equilibrium constant Kc for a reaction is 10 at a certain temperature, what is the value of Kc for the reverse reaction?

Options:

  1. 0.1
  2. 1
  3. 10
  4. 100

Correct Answer: 0.1

Solution: 

The equilibrium constant for the reverse reaction is the reciprocal of the forward reaction, so Kc\' = 1/Kc = 0.1.

If the equilibrium constant Kc for a reaction is 10 at a certain temperature, wh

Practice Questions

Q1
If the equilibrium constant Kc for a reaction is 10 at a certain temperature, what is the value of Kc for the reverse reaction?
  1. 0.1
  2. 1
  3. 10
  4. 100

Questions & Step-by-Step Solutions

If the equilibrium constant Kc for a reaction is 10 at a certain temperature, what is the value of Kc for the reverse reaction?
  • Step 1: Understand that Kc is the equilibrium constant for a chemical reaction at a certain temperature.
  • Step 2: Recognize that the equilibrium constant for the reverse reaction is related to the forward reaction.
  • Step 3: Remember the formula for the reverse reaction: Kc' = 1/Kc.
  • Step 4: Substitute the given value of Kc into the formula: Kc' = 1/10.
  • Step 5: Calculate the value: Kc' = 0.1.
  • Equilibrium Constant – The equilibrium constant (Kc) quantifies the ratio of the concentrations of products to reactants at equilibrium for a given reaction.
  • Reciprocal Relationship – The equilibrium constant for the reverse reaction is the reciprocal of the equilibrium constant for the forward reaction.
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