In a reaction at equilibrium, what happens to the enthalpy if the temperature is

Practice Questions

Q1
In a reaction at equilibrium, what happens to the enthalpy if the temperature is increased?
  1. Enthalpy increases for exothermic reactions
  2. Enthalpy decreases for endothermic reactions
  3. Enthalpy increases for endothermic reactions
  4. Enthalpy remains unchanged

Questions & Step-by-Step Solutions

In a reaction at equilibrium, what happens to the enthalpy if the temperature is increased?
  • Step 1: Understand what equilibrium means. It is a state where the forward and reverse reactions happen at the same rate.
  • Step 2: Know that reactions can be endothermic or exothermic. Endothermic reactions absorb heat, while exothermic reactions release heat.
  • Step 3: Identify that increasing temperature adds heat to the system.
  • Step 4: For endothermic reactions, adding heat will shift the equilibrium to the right, favoring the products.
  • Step 5: As the equilibrium shifts to the right in an endothermic reaction, the overall enthalpy (heat content) of the system increases.
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