Exam-style question
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What is the primary characteristic of an isothermal process?.
- A.Temperature remains constant.
- B.Pressure remains constant.
- C.Volume remains constant.
- D.Internal energy remains constant.
Model answer
What a good answer should say
- Temperature remains constant.
Explanation
Why this works
In an isothermal process, the temperature of the system remains constant, which means that any heat added to the system is used to do work.
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