Question detail
Which example applies reaction profile accurately within Exothermic and endothermic reactions?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Exothermic and endothermic reactions
Question
- A. reaction profile: correct Unit 4.5 answer for Reaction profiles
- B. Incorrect example: uses a device, reaction, or diagram not linked to reaction profile
- C. Incorrect example: gives evidence without explaining the energy transfer
- D. Incorrect example: describes a broad practical skill instead of the objective
Answer
The correct option is reaction profile: correct Unit 4.5 answer for Reaction profiles.
Explanation
The correct option is reaction profile: correct Unit 4.5 answer for Reaction profiles. It directly supports the approved learning objective to label activation energy on a reaction profile. This diagram version keeps the answer anchored to Reaction profiles within Exothermic and endothermic reactions, and avoids mixing energy transfer, reaction profiles, activation energy, chemical cells, fuel cells, exothermic reactions and endothermic reactions unless the objective names them.
Common mistake
Misunderstanding Activation Energy
Students often confuse activation energy with the overall energy change of the reaction, thinking they are the same.
Remember that activation energy is the minimum energy required for reactants to collide and react, while the overall energy change refers to the difference in energy between reactants and products.
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