70. (a) With work being given by W = p Δ V = (250)( − 0.60) J = − 150 J, and the heat transfer given as –210 J, then the change in internal energy is found from the first law of thermodynamics to be [–210 – (–150)] J = –60 J. (b) Since the pressures (and also the number of moles) don’t change in this process, then
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.