work done during a reaction in which the volume expand from 20 to 40 litre against and external pressure of 2 atmospheric is
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ΔV = 40-20 = 20L
P = 2 atm = 2 x 10^5 bar
W = -PΔV
= -2 x 10^5 x 20
= -40 x 10^5 Joule
P = 2 atm = 2 x 10^5 bar
W = -PΔV
= -2 x 10^5 x 20
= -40 x 10^5 Joule
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