What effect does decreasing the temperature have on an endothermic reaction at e

Practice Questions

Q1
What effect does decreasing the temperature have on an endothermic reaction at equilibrium?
  1. Shifts to the right
  2. Shifts to the left
  3. No effect
  4. Increases the reaction rate

Questions & Step-by-Step Solutions

What effect does decreasing the temperature have on an endothermic reaction at equilibrium?
  • Step 1: Understand that an endothermic reaction absorbs heat from the surroundings.
  • Step 2: Recognize that at equilibrium, the reaction has both reactants and products present in a stable ratio.
  • Step 3: Know that decreasing the temperature means the system loses heat.
  • Step 4: Realize that the system will try to counteract this loss of heat by shifting the reaction to produce more heat.
  • Step 5: Since the endothermic reaction absorbs heat, shifting to the left means favoring the reactants, which releases heat.
  • Step 6: Conclude that decreasing the temperature shifts the equilibrium to the left, favoring the reactants.
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