NEET Chemistry ยท Medium

Thermodynamics: Sign convention MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Sign conventionMediumQuestion 23008

Question

In chemistry sign convention, expansion work done by the system is:

  1. A
    Negative
    Correct
  2. B
    Positive
  3. C
    Zero always
  4. D
    Equal to enthalpy

Correct answer

Negative

Explanation

Energy leaves the system as it does work on surroundings.