MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryThermodynamics and ThermochemistryConcept of Heat and Work
An ideal gas expands in volume from 1 × 10–3 to 1 × 10–2 m3 at 300 K against a constant pressure 1 × 105 Nm–2. The work done is
A.– 900 J✓ Correct
B.– 900 kJ
C.270 kJ
D.900 kJ
Explanation
Pressure, 5 2 1 10 Nm x Volume, 3 3 2 3 1 2 V 1 10 m ;V 1 10 m x x Work done is given by the following formula at constant temperature- 5 2 3 W P V 10 (10 10 ) 900 J Thus, the correct option is (a) -900 J
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