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A catalyst is a substance which:
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The two main ways catalysts affect chemical reactions are by creating a way to lower activation energy or by changing how the reaction happens.
Therefore, they can lower the energy of the transition state, so the overall activation energy needed for the reaction decreases.
They can alter the mechanism of a reaction and thus change the transition state.
Hence, option is correct.
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| Question Text | A catalyst is a substance which: |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
