Zinc reacts with excess hydrochloric acid to produce zinc chloride and hydrogen gas. What happens to the reaction rate if you increase the concentration of zinc?

A. The reaction rate decreases because the area available for particle movement is decreased.

B. The reaction rate decreases because the probability the reverse reaction is more likely.

C. The reaction rate increases because the energy of each particle increases.

D. The reaction rate increases because the probability of collisions increases.

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2 July, 18:31

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Aubrie Swanson · Answer 1

The correct response I believe is D. The reaction rate increases because the probability of collisions increases as there are more Zn atoms to react.