In Figure P20.40, the change ininternal energy of a gas that is takenfrom A to C along
Chapter 20, Problem 40(choose chapter or problem)
In Figure P20.40, the change ininternal energy of a gas that is takenfrom A to C along the blue path is1800 J. The work done on the gasalong the red path ABC is 2500 J.(a) How much energy must beadded to the system by heat as itgoes from A through B to C? (b) Ifthe pressure at point A is five timesthat of point C, what is the workdone on the system in going from C to D? (c) What isthe energy exchanged with the surroundings by heatas the gas goes from C to A along the green path? (d) Ifthe change in internal energy in going from point D topoint A is 1500 J, how much energy must be added tothe system by heat as it goes from point C to point D?
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