Two moles of an ideal gas are allowed to expand from a volume of 10 d m 3 to 2 m 3 at 300 K against a pressure of 101.325 K P a. Calculate the work done.

Question

Two moles of an ideal gas are allowed to expand from a volume of 10 d m 3 to 2 m 3 at 300 K against a pressure of 101.325 K P a. Calculate the work done., - 201.6 k J, 13.22 k J, - 810.6 k J, - 18.96 k J

MARKS App · Accepted Answer

V 1 = 1 0 dm 3 = 1 0 - 2 m 3 V 2 = 2 m 3 V 2 − V 1 = ( 2 − 10 − 2 ) = 1.99 m 3 P = 101.325 × 1 0 3 pa W = − P e x t . Δ V W = - 101.325 × 1 0 3 1.99 = 201.6 k J

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