Checking understanding of energetics and rates of reaction (C.6)

5 questions

Assessing knowledge of energy changes, activation energy, factors affecting reaction rates, and endothermic/exothermic processes.

Questions

1. Which of the following best describes an exothermic reaction?
2. Activation energy is the energy required to:
3. Which factor does NOT increase the rate of a chemical reaction?
4. True or False: An endothermic reaction has a negative ΔH (enthalpy change).
5. For the reaction 2NO₂ → 2NO + O₂, which statement about its rate law is correct?