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Question 23098
NEET Chemistry · Hard

Thermodynamics: Gas reaction MCQ

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

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Gas reactionHardQuestion 23098

Question

If Δng\Delta n_g is positive, then for ideal gases:

  1. A
    ΔH>ΔU\Delta H > \Delta U
    Correct
  2. B
    ΔH<ΔU\Delta H < \Delta U
  3. C
    ΔH=ΔU\Delta H = \Delta U always
  4. D
    Cannot compare

Correct answer

ΔH>ΔU\Delta H > \Delta U

Explanation

Because ΔH=ΔU+ΔngRT\Delta H = \Delta U + \Delta n_gRT.

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