Q.

One mole of an ideal gas expands at a constant temperature of 300 K from an initial volume of 10 litres to a final volume of 20 litres. The work done in expanding the gas is (R = 8.31 J/mole –K)

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a

750 joules

b

1728 joules

c

1500 joules

d

3456 joules

answer is B.

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Detailed Solution

w=2.303×nRTlog10(v2v1)=2.303×(1)8.31(300)log10(2010)  W = 1728J
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One mole of an ideal gas expands at a constant temperature of 300 K from an initial volume of 10 litres to a final volume of 20 litres. The work done in expanding the gas is (R = 8.31 J/mole –K)