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What is the role of a catalyst in a chemical reaction?
What is the role of a catalyst in a chemical reaction?
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Practice Questions
1 question
Q1
What is the role of a catalyst in a chemical reaction?
It increases the activation energy
It decreases the activation energy
It is consumed in the reaction
It changes the equilibrium position
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A catalyst lowers the activation energy, allowing the reaction to proceed faster without being consumed.
Questions & Step-by-step Solutions
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Q
Q: What is the role of a catalyst in a chemical reaction?
Solution:
A catalyst lowers the activation energy, allowing the reaction to proceed faster without being consumed.
Steps: 5
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Step 1: Understand that a chemical reaction needs energy to start. This energy is called activation energy.
Step 2: A catalyst is a substance that helps the reaction happen more easily.
Step 3: The catalyst lowers the activation energy needed for the reaction.
Step 4: Because the activation energy is lower, the reaction can happen faster.
Step 5: The catalyst is not used up in the reaction, so it can be used again.
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