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28. 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)

(a)  750 joules                                  (b)  1728 joules

(c)   1500 joules                               (d)  3456 joules

Answer-b

(12)

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