The PV diagram in Fig. 15-23 shows two possible states of a system containing 1.35 moles of

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The PV diagram in Fig. 15-23 shows two possible states of a system containing 1.35 moles of a monatomic ideal gas, (P1 = P2 = 455 N/m2, V1 = 2.00 m3, V2 = 8.00m3.)
(a) Draw the process which depicts an isobaric expansion from state 1 to state 2, and label this process A,
(b) Find the work done by the gas and the change in internal energy of the gas in process A.
(c) Draw the two-step process which depicts and isothermal expansion from state 1 to the volume V2, followed by an isovolumetric process which depicts and isothermal expansion from state 1 to the volume V2, followed by an isovolumetric increase in temperature to state 2, and label this process B.
(d) Find the change in internal energy of the gas for the two-step process B.


(N/m2) 500 400 300 200 100 s 10 V (m³) 6. 2.
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