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Question
Biology
Posted 12 months ago
How does the activation energy affect the rate of a chemical reaction, and what role do catalysts play in lowering activation energy?
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Answer from Sia
Posted 12 months ago
Answer
The activation energy affects the rate of a chemical reaction by determining the minimum energy required for reactants to form products. Catalysts lower the activation energy, thereby increasing the reaction rate.
Solution
a
Activation Energy: The minimum energy that reacting species must possess in order to undergo a specified reaction
b
Reaction Rate: The speed at which reactants are converted to products in a chemical reaction. A lower activation energy increases the number of molecules that can react, thus increasing the reaction rate
c
Catalysts: Substances that increase the rate of a chemical reaction without being consumed in the process. They work by providing an alternative reaction pathway with a lower activation energy
Key Concept
Activation Energy and Catalysts
Explanation
Activation energy is a barrier to the progress of a chemical reaction, and catalysts help to lower this barrier, making it easier for the reaction to proceed at a faster rate.

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