 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 achievedby ...
 19.5: Name some irreversible processes that occur in a real engine.
 19.6: Your power company claims that electric heat is 100% efficient.Disc...
 19.7: A hydroelectric power plant, using the energy of falling water,can ...
 19.8: A heatpump manufacturer claims the device will heat your homeusing...
 19.9: Why do refrigerators and heat pumps have different definitionsof COP?
 19.10: The heat Q added during adiabatic free expansion is zero. Whycant w...
 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 5800 Ksurface a...
 19.15: A reversible Carnot engine operating between heliums meltingpoint a...
 19.16: A Carnot engine absorbs 900 J of heat each cycle and provides350 J ...
 19.17: Find the COP of a reversible refrigerator operating between 0Cand 30C.
 19.18: How much work does a refrigerator with COP = 4.2 require tofreeze 6...
 19.19: The human body can be 25% efficient at converting chemicalenergy of...
 19.20: Calculate the entropy change associated with melting 1.0 kg of ice ...
 19.21: You metabolize a 650kcal burger at your 37C body temperature. What...
 19.22: You heat 250 g of water from 10C to 95C. By how much does the entro...
 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 six molecules confined to a box, find the probability ...
 19.26: A Carnot engine extracts 745 J from a 592K 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 15C fl...
 19.30: A power plant extracts energy from steam at 280C and delivers 880 M...
 19.31: The electric power output of all the thermal electric power plants ...
 19.32: Consider a Carnot engine operating between temperatures Th and Ti ,...
 19.33: An industrial freezer operates between 0C and 32C, consuming electr...
 19.34: Use appropriate energyflow diagrams to analyze the situation in GO...
 19.35: It costs $230 to heat a house with electricity in a winter month. (...
 19.36: A refrigerator maintains an interior temperature of 4C while its ex...
 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 10C and transfers i...
 19.40: A reversible engine contains 0.350 mol of ideal monatomic gas, init...
 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 bodysnor...
 19.45: The temperature of n moles of ideal gas is changed from T1 to T2at ...
 19.46: The temperature of n moles of ideal gas is changed from T1 to T2wit...
 19.47: A 6.36mol sample of ideal diatomic gas is at 1.00 atm pressureand ...
 19.48: A 250g sample of water at 80C is mixed with 250 g of water at10C. ...
 19.49: An ideal gas undergoes a process that takes it from pressure p1and ...
 19.50: In an adiabatic free expansion, 6.36 mol of ideal gas at 305 Kexpan...
 19.51: Find the entropy change when a 2.4kg aluminum pan at 155C is plung...
 19.52: An engine with mechanical power output 8.5 kW extracts heat from a ...
 19.53: Find the change in entropy as 2.00 kg of H2O at 100C turns to vapor...
 19.54: Gasoline engines operate approximately on the Otto cycle, consistin...
 19.55: The compression ratio r of an engine is the ratio of maximum to min...
 19.56: In a diesel cycle, gas at volume V1 and pressure p1 undergoes adiab...
 19.57: (a) Show that the heat flowing into the diesel engine of during the...
 19.58: Youre considering buying a car that comes in either gasoline or die...
 19.59: The 54MW woodfired McNeil Generating Station in Burlington, Vermo...
 19.60: A 500g copper block at 80C is dropped into 1.0 kg of water at 10C....
 19.61: An objects heat capacity is inversely proportional to its absolute ...
 19.62: A Carnot engine extracts heat from a block of mass m and specific h...
 19.63: In an alternative universe, youve got the impossible: an infinite h...
 19.64: Youre the environmental protection officer for a 35% efficient nucl...
 19.65: Find an expression for the entropy gain when hot and cold water are...
 19.66: of Chapter 16 provided an approximate expression for the specific h...
 19.67: The molar specific heat at constant pressure for a certain gas is g...
 19.68: Consider a gas containing an even number N of molecules, distribute...
 19.69: Energyefficiency specialists measure the heat Qh delivered by a he...
 19.70: Refrigerators remain among the greatest consumers of electrical ene...
 19.71: Refrigerators remain among the greatest consumers of electrical ene...
 19.72: Refrigerators remain among the greatest consumers of electrical ene...
 19.73: Refrigerators remain among the greatest consumers of electrical ene...
Solutions for Chapter 19: The Second Law of Thermodynamics
Full solutions for Essential University Physics  3rd Edition
ISBN: 9780134202709
Solutions for Chapter 19: The Second Law of Thermodynamics
Get Full SolutionsChapter 19: The Second Law of Thermodynamics includes 73 full stepbystep solutions. This textbook survival guide was created for the textbook: Essential University Physics, edition: 3. Since 73 problems in chapter 19: The Second Law of Thermodynamics have been answered, more than 61196 students have viewed full stepbystep solutions from this chapter. Essential University Physics was written by and is associated to the ISBN: 9780134202709. This expansive textbook survival guide covers the following chapters and their 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