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(a) find the work done when 2 kilomoles of steam expand from a volume of 30 m^3 to a volume of 60 m^3 at a temperature of 100 degrees C. take a = 5.80 X 10^5 Jm^3 (kilomoles)^-2 and b = 3.19 X 10^-2 m^3 (kilomolole)^-1
(b) find the work of an ideal gas in the same expansion.