The figure below shows a PV diagram for an ideal gas. (a) Find the work done by and ideal gas as it expands from point A to point B along the path shown in the figure below. (b) How much work is done by the gas if it is compressed from B to A along the same path? P (kPa) B 400 300 200 100 A 1 2 3 4 5 6 -V (m³)

The heat engine shown in the figure uses 2.0 mol of a monatomic gas as the working substance. (Figure 1) igure p (kPa) 600- 400 200 0 0 0.025 0.050 V (m³) 1 of 1 Part E part. What is the engine's thermal efficiency? Express your answer using two significant figures. η = Submit VE ΑΣΦ Request Answer ? %

A sample of an ideal gas is expanded to twice its original volume of 1.00 m³ in a quasi-static process for which P=aV², with α= 4.53 atm/m6, as shown in the P-V plot below. How much work is done on the expanding gas? P Les P=av² 1.00 m³ 2.00 m³

A gas expands from I to F in the figure below. The energy added to the gas by heat is 212 J when the gas goes from I to F along the diagonal path. Three paths are plotted on a PV diagram, which has a horizontal axis labeled V (liters), and a vertical axis labeled P (atm). The green path starts at point I (2,4), extends vertically down to point B (2,1), then extends horizontally to point F (4,1). The blue path starts at point I (2,4), and extends down and to the right to end at point F (4,1). The orange path starts at point I (2,4), extends horizontally to the right to point A (4,4), then extends vertically down to end at point F (4,1). (a) What is the change in internal energy of the gas? Use the relations between various features of the graph and the work done on the gas to find the energy added by work and then use your result to find the change in internal energy of the gas. J(b) How much energy must be added to the gas by heat for the indirect path IAF to give the same change in…

For the two PV diagrams below, find the net work done on the gas during the process indicated by the path. (Enter your answers in J.) (a) P (10*Pa) 6.00 4.00 2.00 V (m³) 2.00 4.00 6.00 -400008 |× J (b) P(10°Pa) 6.00 4.00 2.00 V (m³) 2.00 4.00 6.00 800008

tab Consider the following figure. (The x axis is marked in increments of 2.5 m³.) P (Pa). esc caps lock 6 x 106 4 X 106 2 x 106 V (m³) 1 (a) Determine the work done on a gas that expands from i to f as indicated in the figure. MJ (b) How much work is performed on the gas if it is compressed from f to / along the same path? MJ ! 1 F1 A NO 2 N FF 200 F2 W S # 3 80 F3 X E * D $ 4 F4 R C % 5 F MacBook Air T V の‥ 6 F6 G & 7 F7 H B 2 E

The graph shown is for a dilute gas that follows the clockwise path of quasi-static steps: isobaric expansion, isochoric reduction of pressure, isobaric compression, and isochoric increase in pressure. The vertical axis is shown in multiples of the pressure pp, where p=2.5atm, and the horizontal axis is shown in multiples of V, where V=4L. Part (a)  What is the work done for the segment from state A to state B?  Part (b)  What is the work done for the segment from state B to state C?  Part (c)  What is the work done for the segment from state C to state D?  Part (d)  What is the total work done in making a single clockwise cycle, A to B to C to D?

Repeat the preceding calculations for an ideal diatomic gas expanding adiabatically from an initial volume of 0.500 m3 to a final volume of 1.25 m3, starting at a pressure of 1.01  105 Pa. (You must sketch the curve to find the work.) P2 =  W ≈

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