Which of the following statements is FALSE?
A. Chemical reactions proceed more quickly at higher temperatures.
B. Chemical reactions progress at a faster rate when the reacting particles are present in higher numbers.
C. Larger particles move faster than smaller ones and thus collide more frequently and more forcefully.
D. Catalysts increase the rate of chemical reactions, sometimes while undergoing reversible changes in shape.
Answer: C. Larger particles move faster than smaller ones and thus collide more frequently and more forcefully.
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