Final answer:
When thermal energy is removed from a chemical reaction, the rate of reaction becomes slower and fewer collisions occur between particles.
Step-by-step explanation:
When thermal energy is removed from a chemical reaction, the rate of reaction becomes slower, resulting in fewer collisions occurring between particles. As thermal energy is a form of kinetic energy, its removal leads to a decrease in the movement and speed of particles, which in turn slows down the rate of reaction.
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