. An ideal gas expands isothermally from
10-3 m3 to 10-2 m3 at 300 K against a constant pressure of 105 N m-2. The work done on the gas is
(a) +270 kJ
(b) -900 J
(c) +900 kJ
(d) -900 kJ
Best Answer
Correct Option is : (b)
Wirr= -PdV
W= -105(10-2- 10-3)
= -900 Nm or 900 J
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