(III) The PV diagram in Fig. 15–23 shows two possible states of a system containing 1.75 moles of a monatomic ideal gas. (P = P, = 425 N/m², Vị = 2.00 m³, V, = 8.00 m².) (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 an isothermal expansion from state 1 to the volume V, , followed by an isovolumetric increase in temperature to state 2, and label this process B. (d) Find the change (N/m2) in internal energy 500 of the gas for the two-step process B. + ! 400 2 300 200 100 FIGURE 15-23 + + 0 2 + + 8 10 V (m³) Problem 12. 4

(III) The PV diagram in Fig. 15–23 shows two possible states of a system containing 1.75 moles of a monatomic ideal gas. (P = P, = 425 N/m², Vị = 2.00 m³, V, = 8.00 m².) (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 an isothermal expansion from state 1 to the volume V, , followed by an isovolumetric increase in temperature to state 2, and label this process B. (d) Find the change (N/m2) in internal energy 500 of the gas for the two-step process B. + ! 400 2 300 200 100 FIGURE 15-23 + + 0 2 + + 8 10 V (m³) Problem 12. 4

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

(III) The PV diagram in Fig. 15–23 shows two possible states
of a system containing 1.75 moles of a monatomic ideal
gas. (P = P, = 425 N/m², Vị = 2.00 m³, V, = 8.00 m².)
(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 an
isothermal expansion from state 1 to the volume V, , followed
by an isovolumetric increase in temperature to state 2, and
label this process B.
(d) Find the change (N/m2)
in internal energy 500
of the gas for the
two-step process B.
+
!
400
2
300
200
100
FIGURE 15-23
+
+
0 2
+
+
8
10 V (m³)
Problem 12.
4

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