Consider 0.200 mol of argon gas in a piston of initial volume V i = 2 : 00 L. Su

Question

Consider 0.200 mol of argon gas in a piston of initial volume Vi = 2:00 L. Suppose

the piston has rigid diathermal walls, and is immersed in a heat bath at T = 200:0 K.

Assume the gas is ideal unless stated otherwise.

What is the final pressure and the work flow for external pressure Pext = 0.50 bar if the argon is treated as a van der Waals gas? van der Waals parameters for various real gases.(Argon a=1.355 dm^6 bar mol^-2, b=0.0320 dm^3 mol^-1). Note that 1 dm = 10^-1 m and 1 dm3 = 10^-3 m3 =1 L.

Explanation / Answer

62.39 bar

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