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When a system is taken from a state i to...


When a system is taken from a state `i` to a state `f` in Figure, along the path `iaf`, we find `DeltaQ=50cal` and `DeltaW=20cal` while during the path `ibf`, `DeltaQ=36cal`. If `U_i=10cal`.
(a) What is U?
What is `W` along the path `ibf`?
(c ) If `W=-13cal`, along the curved path `fi`, what is `DeltaQ` for this path?
(d) If `U_b=22cal`, what is `DeltaQ` for the process `ib`? for `bf`?

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