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| • | V. Add a catalyst. A catalyst speeds up the |
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| rate of reaction
by |
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| • | . The catalyst
generally works by giving a |
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| different pathway
(of lower energy) for the |
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| reaction to
occur. A catalyst is not used up |
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| (consumed) in a
reaction. The catalyst |
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| appears to be
unchanged at the end. |
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| • | Biological
catalysts: enzymes |
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