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Which of the following statements is true for an endothermic reaction?

Practice Questions

Q1
Which of the following statements is true for an endothermic reaction?
  1. ΔH is negative
  2. ΔH is positive
  3. Activation energy is zero
  4. It occurs spontaneously

Questions & Step-by-Step Solutions

Which of the following statements is true for an endothermic reaction?
  • Step 1: Understand what an endothermic reaction is. It is a type of chemical reaction that absorbs heat from its surroundings.
  • Step 2: Know that during an endothermic reaction, the energy of the products is higher than the energy of the reactants.
  • Step 3: Learn about enthalpy change (ΔH). It measures the heat content of a system.
  • Step 4: In an endothermic reaction, since heat is absorbed, the enthalpy change (ΔH) is positive.
  • Step 5: Conclude that the true statement for an endothermic reaction is that ΔH is positive.
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