A gas trapped inside a piston-cylinder device receives 20 kJ of heat (Q) while it expands performing

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A gas trapped inside a piston-cylinder device receives 20 kJ of heat (Q) while it expands performing a boundary work (WB) of 5 kJ. At the same time 10 kJ of electrical work (Wel) is transferred into the system. Evaluate
(a) Q.
(b) W with appropriate signs.
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