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KCET2012ChemistryThermodynamics (C)

A gas expands from a volume of 1 ~m ³ to a volume of 2 ~m ³ against an external pressure of 10⁵ Nm ⁻² . The work done by the gas will be

Options

  1. A10² ~kJ
  2. B10² ~J
  3. C10³ ~J
  4. D10⁵ ~kJ

Correct answer

A. 10² ~kJ

Step-by-step solution

W = p V =10⁵(2-1)=10⁵ ~J =10² ~kJ

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