Exam-style question
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Which diagram or label choice best matches chemistry only in this Energy changes subtopic?.
- A.chemistry only: correct Unit 4.5 answer for Fuel cells
- B.Incorrect label: confuses the labelled quantity with activation energy
- C.Incorrect label: places the idea on the wrong part of the reaction or cell model
- D.Incorrect label: uses the product/reactant relationship the wrong way round
Answer and explanation
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Common mistake
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