In a lab setting, heating a vessel full of reactants will generally
A. lower the activation energy and the kinetic energy of the reactants.
B. lower the reaction rate due to the change in structure of the reactants.
C. convert products to reactants by increasing the energy requirements.
D. increase the kinetic energy of the molecules and increase the reaction rate.
E. raise the activation energy and catalyze the reaction.
Answer: D
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