Question 1
Question detail
Why are catalysts not included in the overall chemical equation for a reaction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
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Rate of reaction
Question
Why are catalysts not included in the overall chemical equation for a reaction?
Answer
catalysts are not included in the overall chemical equation because they are not consumed duringthe reaction; they can be reused multiple times. Their presence facilitates the reaction but does not change the reactants or products.
Explanation
This question assesses the understandingof the role of catalysts in chemical equations. The answer emphasizes the non-consumable nature of catalysts, which is crucial for graspingtheir function in reactions, thus meetingthe learningobjective.
Common mistake
Misunderstanding catalyst usage
Students think a catalyst is consumed during the reaction and therefore must be added in excess
Explain that a catalyst is not used up; it is only temporarily involved in the reaction pathway and can be recovered unchanged after the reaction
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