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If the temperature of an exothermic reaction at equilibrium is increased, what w

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Question: If the temperature of an exothermic reaction at equilibrium is increased, what will happen?

Options:

  1. The equilibrium shifts to the right
  2. The equilibrium shifts to the left
  3. No change occurs
  4. The reaction rate increases

Correct Answer: The equilibrium shifts to the left

Solution: 

For an exothermic reaction, increasing the temperature shifts the equilibrium to the left, favoring the reactants, as the system tries to absorb the added heat.

If the temperature of an exothermic reaction at equilibrium is increased, what w

Practice Questions

Q1
If the temperature of an exothermic reaction at equilibrium is increased, what will happen?
  1. The equilibrium shifts to the right
  2. The equilibrium shifts to the left
  3. No change occurs
  4. The reaction rate increases

Questions & Step-by-Step Solutions

If the temperature of an exothermic reaction at equilibrium is increased, what will happen?
  • Step 1: Understand that an exothermic reaction releases heat.
  • Step 2: Recognize that at equilibrium, the reaction can go in both directions: forward (products) and backward (reactants).
  • Step 3: Know that increasing the temperature adds heat to the system.
  • Step 4: Remember Le Chatelier's Principle, which states that if a system at equilibrium is disturbed, it will shift to counteract the disturbance.
  • Step 5: Since the reaction is exothermic, adding heat will cause the equilibrium to shift to the left, favoring the reactants.
  • Step 6: Conclude that increasing the temperature will result in more reactants and fewer products.
  • Le Chatelier's Principle – This principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change.
  • Exothermic Reactions – Exothermic reactions release heat, and increasing temperature affects the equilibrium position.
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