••49 GO Figure 18-42 represents a p closed cycle for a gas (the figure is not drawn to scale). The change in the internal energy of the gas as it moves from a to c along the path abc is -200 J. As it moves from c to d, 180 J must be transferred to it as heat. An additional transfer of 80 J to it as heat is needed as -V it moves from d to a. How much work is Figure 18-42 Problem 49. done on the gas as it moves from c to d? b d

••49 GO Figure 18-42 represents a p closed cycle for a gas (the figure is not drawn to scale). The change in the internal energy of the gas as it moves from a to c along the path abc is -200 J. As it moves from c to d, 180 J must be transferred to it as heat. An additional transfer of 80 J to it as heat is needed as -V it moves from d to a. How much work is Figure 18-42 Problem 49. done on the gas as it moves from c to d? b d

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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Note: - You are attempting question 3 out of 12 A Carnot's engine working between 277°C and 27°C produces 100 kJ work. Calculate the heat rejected from the engine. (a) Q = 20 kJ (b) Q = 40 kJ (c) Q =10 kJ (d) Q = 30 kJ %3D Answer C 22:54 89% 23°C Ca ) ENG 16-11-2021 to coarch
• tab (a) How much work is done on the steam when 4.21 mol of water at 100°C boils and becomes.4.21 mol of steam at 100°C at 1.00 atm pressure? (Assume the latent heat of vaporization of waterm 2.26 x 106 J/kg.) kJ aps lock (b) Assume the steam to behave as an ideal gas. Determine the change in internal energy of the system of the water and steam as the water vaporizes. kJ Submit Answer esc ! 1 Q A 1 N 2 $9² F2 W S # 3 X 20 F3 E D $ 69 + 4 C View Previous Question Question 8 of 19 View Next Question F4 R Home F 65 % F5 My Assignments T V MacBook Air 6 G F6 Y B Request Extension & 7 H U * N 00 8 FB 1 ( 9 T J K M ) O O D L V J6 P * . command ¡ 11 1
The figure shows two pathways for a sample of an ideal diatomic gas which is expanding in volume in going from A to C where path AC is an isothermal process. (Assume f= 5 for this diatomic gas.) P/103 Pa 4.00 3.50 3.00 2.00 1.59 1.00 A C B 2.50 5.50 0.00 1.00 2.00 3.00 4.00 5.00 6.00 V/m³ Drag/drop the following equations/values into the boxes below and hence determine the quantities required (note that you can only drop an item into a box with a matching colour). Please state all values in scientific notation and to the appropriate number of significant figures. Note that the following relationships are for an ideal gas with an initial state (P1, V1, T₁) and a final state (P2, V2, T2) where W is the work done on the gas, Q is the heat transferred to the gas and AU is the change in internal energy of the gas. Cp and Cy are the heat capacities of the gas at constant pressure and constant volume respectively. 2=0 Q= СРДТ Q = CVAT ==W Q = nRT In (V2/V1) W=0 W=-Q W=-PAV W=-nRT In (V2/V1) f…
9-59E An ideal dual cycle has a compression ratio of 15 and a cutoff ratio of 1.4. The pressure ratio during constant- volume heat addition process is 1.1. The state of the air at the beginning of the compression is P =14.2 psia and T, = 75°F. Calculate the cycle's net specific work, specific heat addition, and thermal efficiency. Use constant specific heats at room temperature. %3D
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