Imagine a chemical reaction during which a solution turns from red to green very slowly.If a small piece of platinum is placed in the solution,the change occurs much more rapidly,yet the platinum remains unchanged; this result happens because the platinum

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The platinum acts as a catalyst, which speeds up the chemical reaction without being consumed itself. It lowers the activation energy required for the reaction to occur and allows the reaction to occur at a faster rate.

Imagine a Chemical Reaction During Which a Solution Turns from Red