A system is taken through the three processes in the figure. a i f b Q = 110 and W = 30 for path i to a to f, and Q = 120 for path i to b to f. (All units are in Joules.) a) What is the change in internal energy for the process i to a to f ? b) What is W for the process i to b to f? C) What is the change in internal energy for the process i to f along the curved path ? d) If the change in internal energy is 30 for the path i to b, what is Q for the process b to f?

A system is taken through the three processes in the figure. a i f b Q = 110 and W = 30 for path i to a to f, and Q = 120 for path i to b to f. (All units are in Joules.) a) What is the change in internal energy for the process i to a to f ? b) What is W for the process i to b to f? C) What is the change in internal energy for the process i to f along the curved path ? d) If the change in internal energy is 30 for the path i to b, what is Q for the process b to f?

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

A monatomic gas in a certain gasoline engine undergoes an Otto cycle. a.) Assume that the pressure is increased by a factor of 1.5 during the adiabatic compression stroke, so that the pressure after this step is P2 = 1.5 P1, where P1 is the initial pressure. Write an equation for the volume V2 in terms of the volume before this step V1. b.) Write an equation for the temperature T2 after the adiabatic compression in terms of the temperature T1 before this step. c.) Assume the pressure is doubled after the isochoric step, such that the pressure after this step is P3 = 2.0 P2. Write an equation for the temperature after this step T3 in terms of a number (carried to two digits) multiplied by the temperature T2 before this step.
A Carnot heat engine operates with an efficiency η=0.5 between a hot reservoir at temperature T1 and a cold reservoir at temperature T2=300 K. Calculate the temperature T1 of the hot reservoir. Select one: a.T1=150.0 b.T1=300.0 c.T1=900.0 d.T1=600.0
The thermodynamic cycle of a heat engine using ideal helium gas is shown in the P-V diagram. The ratio of heat capacities y (also called ratio of specific heats) is the ratio of the heat capacity at constant pressure Cp to the heat capacity at constant volume Cy. For ideal helium gas, y = 1.67. Select the stage that is paired correctly with the process it represents in the P-V diagram. 1-2: adiabatic process O2-3: isochoric process 3-4: isothermal process 4-1: isobaric process p (kPa) 0.8 0.6- 0.4- 0.2 0.0 2 0.2 0.4 0.6 1 0.8 V(m³) 1.0
A heat engine does 160 J of work per cycle while exhausting 420 J of waste heat. Part A What is the engine's thermal efficiency? Express your answer as a percentage.
In the following situations, find the change in the internal energy of the system. a) A system absorbs 450 J of heat, and at the same time does 210 J of work. b) 750 J of heat is removed from a gas that is held at constant volume.
C. Solve the problem with complete solution 1. The internal energy of a system is initially 25J. The system does 24J of work. What is the system's final internal energy when a total of 36J of emergy is added to the system by heat?
A heat engine operates between a cold reservoir at temp. T, = 300 K and a hot reservoir at temp. T1. It takės 200 J of heat from hot reservoir and delivers 120 J of heat to cold reservoir in a cycle. What could be the minimum temperature of hot reservoir ? %3D
Work of 1500 J is done by stirring an insulated beaker containing 100 g of water. a. What is the change in the internal energy of the system? b. What is the change in the temperature of the water?
A Carnot refrigerator operates with an efficiency n = 0.66666666666667 between a hot reservoir at temperature T₁ = 50 K and a cold reservoir at temperature T2. Calculate the temperature T₂ of the cold reservoir. Select one: O a. T₁ O b. T₁ = 150.0 O d. T₁ = = 25.0 O c. T₁ 16.666666666667 = = 20.0
In a Carnot engine the hot reservoir is 67.0°C warmer than the cold reservoir. The engine's efficiency is 17.5%. Part A What is the Kelvin temperature of the cold reservoir? Express your answer in kelvins. ? Tc = K Submit Request Answer
1st and 2nd Law of thermodynamics Worksheet 1. A car engine deliver 8.2 kJ of work per cycle. Its efficiency is 25%. A) How much heat is absorbed and how much heat is exhausted from its fuel combustion? B) The car is now tuned and its efficiency goes to 31%. What are the new values of heat absorbed and heat exhausted? 1 of 3
Consider a refrigerator undergoing a cycle. a. What is the maximum coefficient of performance that an ideal refrigerator can achieve if it operates between thermal reservoirs at 150K and 220K? b. Is it possible for a refrigerator operating between the same two temperatures of part (a) to have heat transfer in to the cycle of 34 kJ and heat transfer out of 42 kJ? Why or why not?