 19.1: Could you cool the kitchen by leaving the refrigerator open? Explain.
 19.2: Could you heat the kitchen by leaving the oven open? Explain.
 19.3: Should a car get better mileage in the summer or the winter? Explain.
 19.4: Is there a limit to the maximum temperature that can be achieved by...
 19.5: Name some irreversible processes that occur in a real engine.
 19.6: Your power company claims that electric heat is 100% efficient. Dis...
 19.7: A hydroelectric power plant, using the energy of falling water, can...
 19.8: A heatpump manufacturer claims the device will heat your home usin...
 19.9: Why do refrigerators and heat pumps have different definitions of COP?
 19.10: The heat Q added during adiabatic free expansion is zero. Why cant ...
 19.11: Energy is conserved, so why cant we recycle it as we do materials?
 19.12: Why doesnt the evolution of human civilization violate the second l...
 19.13: What are the efficiencies of reversible heat engines operating betw...
 19.14: A cosmic heat engine might operate between the Suns 5600 K surface ...
 19.15: A reversible Carnot engine operating between heliums melting point ...
 19.16: A Carnot engine absorbs 900 J of heat each cycle and provides 350 J...
 19.17: Find the COP of a reversible refrigerator operating between and
 19.18: How much work does a refrigerator with require to freeze 670 g of w...
 19.19: The human body can be 25% efficient at converting chemical energy o...
 19.20: Calculate the entropy change associated with melting 1.0 kg of ice at
 19.21: You metabolize a 650kcal burger at your body temperature. Whats th...
 19.22: You heat 250 g of water from to By how much does the entropy of the...
 19.23: Melting a block of lead already at its melting point results in an ...
 19.24: How much energy becomes unavailable for work in an isothermal proce...
 19.25: For a gas of 6 molecules confined to a box, find the probability th...
 19.26: A Carnot engine extracts 890 J from a 550 K reservoir during each c...
 19.27: The maximum steam temperature in a nuclear power plant is 570 K. Th...
 19.28: Youre engineering an energyefficient house that will require an av...
 19.29: A power plants electrical output is 750 MW. Cooling water at flows ...
 19.30: A power plant extracts energy from steam at and delivers 800 MW of ...
 19.31: The electric power output of all the thermal electric power plants ...
 19.32: Consider a Carnot engine operating between temperatures and where i...
 19.33: An industrial freezer operates between and consuming electrical ene...
 19.34: Use appropriate energyflow diagrams to analyze the situation in Go...
 19.35: It costs $180 to heat a house with electricity in a typical winter ...
 19.36: A refrigerator maintains an interior temperature of while its exhau...
 19.37: You operate a store thats heated by an oil furnace supplying 30 kWh...
 19.38: Use energyflow diagrams to show that the existence of a perfect he...
 19.39: A heat pump extracts energy from groundwater at and transfers it to...
 19.40: A reversible engine contains 0.20 mol of ideal monatomic gas, initi...
 19.41: (a) Determine the efficiency for the cycle shown in Fig. 19.22, usi...
 19.42: A 0.20mol sample of an ideal gas goes through the Carnot cycle of ...
 19.43: A shallow pond contains 94 Mg of water. In winter, its entirely fro...
 19.44: Estimate the rate of entropy increase associated with your bodys no...
 19.45: The temperature of n moles of ideal gas is changed from to at const...
 19.46: The temperature of n moles of ideal gas is changed from to with pre...
 19.47: A 5.0mol sample of an ideal diatomic gas is at 1.0 atm pressure an...
 19.48: A 250g sample of water at is mixed with 250 g of water at Find the...
 19.49: An ideal gas undergoes a process that takes it from pressure and vo...
 19.50: In an adiabatic free expansion, 8.7 mol of ideal gas at 288 K expan...
 19.51: Find the entropy change when a 2.4kg aluminum pan at is plunged in...
 19.52: An engine with mechanical power output 8.5 kW extracts heat from a ...
 19.53: Gasoline engines operate approximately on the Otto cycle, consistin...
 19.54: The compression ratio r of an engine is the ratio of maximum to min...
 19.55: The 54MW woodfired McNeil Generating Station in Burlington, Vermo...
 19.56: A 500g copper block at is dropped into 1.0 kg of water at Find (a)...
 19.57: An objects heat capacity is inversely proportional to its absolute ...
 19.58: A Carnot engine extracts heat from a block of mass m and specific h...
 19.59: In an alternative universe, youve got the impossible: an infinite h...
 19.60: Youre the environmental protection officer for a 35% efficient nucl...
 19.61: Find an expression for the entropy gain when hot and cold water are...
 19.62: of Chapter 16 provided an approximate expression for the specific h...
 19.63: The molar specific heat at constant pressure for a certain gas is g...
 19.64: Consider a gas containing an even number N of molecules, distribute...
 19.65: The electrical energy a. is used to run the light bulb inside the r...
 19.66: The refrigerators COP is a. . b. 2. c. 3. d. 4.
 19.67: The fuel energy consumed at the power plant to run this refrigerato...
 19.68: The total energy rejected to the surrounding kitchen during the cou...
Solutions for Chapter 19: The Second Lawof Thermodynamics
Full solutions for Essential University Physics: Volume 1  2nd Edition
ISBN: 9780321706690
Solutions for Chapter 19: The Second Lawof Thermodynamics
Get Full SolutionsEssential University Physics: Volume 1 was written by and is associated to the ISBN: 9780321706690. Since 68 problems in chapter 19: The Second Lawof Thermodynamics have been answered, more than 23484 students have viewed full stepbystep solutions from this chapter. This textbook survival guide was created for the textbook: Essential University Physics: Volume 1, edition: 2. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 19: The Second Lawof Thermodynamics includes 68 full stepbystep solutions.

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parallel

any symbol
average (indicated by a bar over a symbol—e.g., v¯ is average velocity)

°C
Celsius degree

°F
Fahrenheit degree