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Question 31055
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Kinetic Theory and Thermodynamics: First Law MCQ

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First LawHardQuestion 31055

Question

1 mole of gas at 0°C expands isothermally from 1 L to 10 L. Work done is (R = 8.314 J/mol·K):
  1. A
    5229 J
    Correct
  2. B
    191 J
  3. C
    52 J
  4. D
    1904 J

Correct answer

5229 J

Explanation

W = nRT ln(V₂/V₁) = 1×8.314×273×ln(10) = 8.314×273×2.303 ≈ 5229 J.

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