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KVPY2012ChemistryStates of Matter

Three moles of an ideal gas expands reversihly under isothermal condition form 2 I . to 20 I . at 300 ~K . The amount of heat-change (in kJ / mol ) in the process is -

Options

  1. A0
  2. B7.2
  3. C10.2
  4. D17.2

Correct answer

D. 17.2

Step-by-step solution

array l W =-2.303 n RT V ₂ ~V ₁ =-2.303 3 8.314 10⁻³ 300 20 2 =-17.2 ~kJ / mol array

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