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Process in which the internal energy stays constant (delta U = 0)

The same question, asked 2 times: 11 Apr 2026 S1, 13 Apr 2026 S2. Every wording below, oldest first.

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  1. Question 1

    11 Apr 2026 S1

    8
    Which of the following processes exhibits, ΔU=0\Delta U = 0?

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  2. Question 2

    13 Apr 2026 S2

    7
    In which of the following processes the internal energy of system remain constant?

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