19.42 • A thermodynamic sys-tem is taken from state a to stateFigure P19.42c in Fig. P19.42 along eitherpath abc or path adc. Along pathabc, the work W done by thesystem is 450 J. Along path adc,W is 120 J. The internal energiesbCof each of the four states showna150 J,in the figure are UaU = 240 J, U.330 J. Calculate the heatV%3D680 J, andUdflow Q for each of the four processes ab, bc, ad, and dc. In eachprocess, does the system absorb or liberate heat?

Answered: Image /qna-images/answer/7055e83e-2a7f-443d-92a5-1bf2539a775b.jpg

19.42 · A thermodynamic sys- tem is taken from state a to state Figure P19.42 c in Fig. P19.42 along either path abc or path adc. Along path abc, the work W done by the system is 450 J. Along path adc, W is 120 J. The internal energies b of each of the four states shown d a in the figure are Uq = 150 J, 240 J, V Uc = 680 J, and Ua = 330 J. Calculate the heat flow Q for each of the four processes ab, bc, ad, and dc. In each process, does the system absorb or liberate heat?

19.42 · A thermodynamic sys- tem is taken from state a to state Figure P19.42 c in Fig. P19.42 along either path abc or path adc. Along path abc, the work W done by the system is 450 J. Along path adc, W is 120 J. The internal energies b of each of the four states shown d a in the figure are Uq = 150 J, 240 J, V Uc = 680 J, and Ua = 330 J. Calculate the heat flow Q for each of the four processes ab, bc, ad, and dc. In each process, does the system absorb or liberate heat?

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)...

See similar textbooks

Similar questions

The temperature at state A is 20.0ºC, that is 293 K. During the last test, you have found the temperature at state D is 73.0 K and n = 164 moles for this monatomic ideal gas. What is the change in thermal energy for process D to B, in MJ (MegaJoules)?
n moles of a diatomic ideal gas go through cycle a → b → c → d → a as shown in the figure. Processes ab and cd are isothermal and occur at temperatures TH and TC, respectively. 1) Calculate the work Wab done by the gas during the process a → b in terms of the variables in the problem. 2) Calculate the work Wbc done by the gas during the process b → c. 3) Calculate the total work W done in the entire cycle in terms of the variables in the problem. 4) Calculate the total heat Q flowing into the gas in a complete cycle.
The monatomic gas is at initial temperature of 243 K. The gas is then replaced by diatomic gas and heated. It causes the temperature to increase by more than 300 K. Determine the final average kinetic energy if the ratio of the final internal energy of diatomic gas to the initial internal energy of the monatomic gas is 3.45. [Boltzmann constant, kg: 1.38 X 1023 J K-1] Select one: O 6.93e-21 J O 1.04e-20 J O 1.73e-20 J O 5.03e-21 J
2 (Thermodynamic Process) Figure 1 shows a PV diagram for n = 0.081 kmol of Helium gas, initially at 27°C and at pressure 2 x 105 N/m², taken over the path A → B → C. (For He C₂, = R, and Cp = R.)
Question B: A sample of 1.00 mole of a diatomic ideal gas is initially at temperature 265 K and volume 0.200 m3. The gas first undergoes an isobaric expansion, such that its temperature increases by 110.0 K. It then undergoes an adiabatic expansion so that its final volume is 0,440 m3. i. Sketch a PV diagram for the two-step process, including labeled initial, final, and intermediate states, and a two-part curve/path with an arrow indicating direction. Label the initial state "i", the final state "f", and the intermediate state "b". Write down the known values for P, T, and V at each point, e.g. T; = 265 K, and Th = 375 K. (B.1) What is the initial pressure of the gas, Pi, in pascals [Pa]? Pi = Pa Enter a number. (B.2) What is the total heat transfer, Q, to the gas, in joules [J]? Q = Qtotal = (B.3) What is the total work done on the gas, w, in joules [J]? w = Wtotal = Enter your answer for problem (B.3) for credit. First, use the following questions as intermediate steps; answers can…
1.00 mol of oxygen has (O2) is heated at constant pressure of 1.00 atm from 10.0°C to 25.0°C. What is the work done by the gas during this expansion? Multiple choice: 1. 159J 2. 125J 3. 102J 4. 172J
The temperature of 5 moles of an ideal gas is 300 °C. How much work does the gas do in expanding isothermally to 4 times its initial volume? Given: ideal gas constant R = 8.31 J/(mol K) A.–3.3 x 102 J B.+3.3 x 102 J C.–3.3 x 104 J D.+3.3 x 104 J E.–3.3 x 106 J
On a hot summer day, 2.00 x 106 J of heat transfer into a parked car takes place, increasing its temperature from 33.0°C to 45.2°C. What is the increase in entropy (in J/K) of the car due to this heat transfer alone? J/K
Five moles of gas initially at a pressure of 2.00 atm and a volume of 0.300 L has internal energy equal to 91.0 J. In its final state, the gas is at a pressure of 1.50 atm and a volume of 0.800 L, and its internal energy equals 182 J. P (atm) 2.00 B A 1.50 F V (liters) 0.300 0.800 (a) For the paths IAF, IBF, and IF in the figure above, calculate the work done on the gas. W IAF = W = IBF W = IF J (b) For the paths IAF, IBF, and IF in the figure above, calculate the net energy transferred to the gas by heat in the process. QIAF = QIBF QIF = J J J
You would like to raise the temperature of an ideal gas from 295 K to 960 K in an adiabatic process. a)What compression ratio will do the job for a monatomic gas? b)What compression ratio will do the job for a diatomic gas?