Question detail
Which example applies temperature change 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. temperature change: correct Unit 4.5 answer for Energy transfer during exothermic and endothermic reactions
- B. Incorrect example: uses a device, reaction, or diagram not linked to temperature change
- 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 temperature change: correct Unit 4.5 answer for Energy transfer during exothermic and endothermic reactions.
Explanation
The correct option is temperature change: correct Unit 4.5 answer for Energy transfer during exothermic and endothermic reactions. It directly supports the approved learning objective to describe how to measure temperature changes when substances react or dissolve in water. (AT 5). This diagram version keeps the answer anchored to Energy transfer during exothermic and endothermic reactions 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
Measuring Temperature Changes
Students often forget to account for the initial temperature of the water before adding the reactants, leading to inaccurate measurements of temperature change.
Always record the initial temperature of the water before starting the reaction to ensure accurate calculations of temperature change.
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