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As shown in the figure below, a gas contained within a piston$-$cylinder assembly, initially at a volume of $0\mathrm{.}1m^3,$ undergoes a

constant$-$pressure expansion at $p=4$ bar to a final volume of $V_2=0\mathrm{.}16m^3,$ while being slowly heated through the base. The

change in internal energy of the gas is $0\mathrm{.}25$ kJ $.$ The piston and cylinder walls are fabricated from heat$-$resistant material, and the

piston moves smoothly in the cylinder. The local atmospheric pressure is $1$ bar.

$($a$)$ For the gas as the system, evaluate work and heat transfer, each in kJ $.$

$($b$)$ For the piston as the system, evaluate work and change in potential energy, each in kJ $.$

Part A

Correct Answer

Your answer is partially correct.

For the gas as the system, evaluate work and heat transfer, each in kJ $.$

$W_{\text{g}\text{a}\text{s}}=,kJ$

$Q_{\text{p}\text{a}\text{s}}=,|kJ$

Hint

Solution

Part B

The parts of this question must be completed in order. This part will be available when you complete the part above.