Homework Help: Physics

Posted by Sally on Sunday, April 27, 2008 at 12:41pm.

A system undergoes a two-step process. In the first step, the internal energy of the system increases by 368 J when 144 J of work is done on the system. In the second step, the internal energy of the system increases by 24 J when 248 J of work is done on the system.

(a) For the overall process, what is the heat?
J

(b) What type of process is the overall process?
Isobaric
Isochoric
Isothermal
Adiabatic
I'm confused to what do on the first part but I think from looking at the problem (b) would be adiabatic. I sthat correct? And please help with part (a)

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