Connect with LearnSmart for Krauskopf: The Physical Universe, 16e
16th Edition
ISBN: 9781259663895
Author: KRAUSKOPF, Konrad B.
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 5, Problem 31MC
To determine
Pick the correct implication of greater entropy of a system of particles.
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Students have asked these similar questions
In an isolated system far from thermal equilibrium, as time passes,A. The total energy stays the same; the total entropy stays the same.B. The total energy decreases; the total entropy increases.C. The total energy stays the same; the total entropy increases.D. The total energy decreases; the total entropy stays the same.
4) Physical systems work in a “one-way street” – the amount of information we have about the state (energy state, position, velocity, etc.) of the molecules, atoms, and particles involved in general, decreases over time. A measure of the decrease of this type of information over time, or the increase in disorder, is called:
energy
force
the adiabatic constant
entropy
work
The temperature inside of a house is 27 ºC and outside is –23 ºC ? Determine the change in entropy of the universe in an irreversible process where the house loses 2250 J of heat to the outside environment.
A. 0.5 J/K
B. 1.5 J/K
C. 2.5 J/K
D. 3.5 J/k
E. 4.5 J/K
Chapter 5 Solutions
Connect with LearnSmart for Krauskopf: The Physical Universe, 16e
Ch. 5 - Prob. 1MCCh. 5 - One gram of steam at 100C causes a more serious...Ch. 5 - Prob. 3MCCh. 5 - Heat transfer in a vacuum can occur by a....Ch. 5 - The fluid at the bottom of a container is a. under...Ch. 5 - The pressure of the earths atmosphere at sea level...Ch. 5 - Prob. 7MCCh. 5 - The density of freshwater is 1.00 g/cm3 and that...Ch. 5 - Prob. 9MCCh. 5 - Prob. 10MC
Ch. 5 - Prob. 11MCCh. 5 - Prob. 12MCCh. 5 - Prob. 13MCCh. 5 - Absolute zero may be regarded as that temperature...Ch. 5 - Prob. 15MCCh. 5 - Prob. 16MCCh. 5 - Prob. 17MCCh. 5 - Prob. 18MCCh. 5 - Prob. 19MCCh. 5 - When a vapor condenses into a liquid, a. its...Ch. 5 - Prob. 21MCCh. 5 - Prob. 22MCCh. 5 - Prob. 23MCCh. 5 - Prob. 24MCCh. 5 - Prob. 25MCCh. 5 - The physics of a refrigerator most closely...Ch. 5 - Prob. 27MCCh. 5 - Prob. 28MCCh. 5 - Prob. 29MCCh. 5 - The second law of thermodynamics does not lead to...Ch. 5 - Prob. 31MCCh. 5 - Prob. 32MCCh. 5 - Prob. 33MCCh. 5 - Prob. 34MCCh. 5 - Prob. 35MCCh. 5 - Prob. 36MCCh. 5 - Prob. 37MCCh. 5 - Prob. 38MCCh. 5 - Prob. 39MCCh. 5 - A wooden plank 200 cm long, 30 cm wide, and 40 mm...Ch. 5 - Prob. 41MCCh. 5 - Prob. 42MCCh. 5 - Prob. 43MCCh. 5 - Prob. 44MCCh. 5 - Prob. 45MCCh. 5 - Running hot water over the metal lid of a glass...Ch. 5 - When a mercury-in-glass thermometer is heated, its...Ch. 5 - Three iron bars are heated in a furnace to...Ch. 5 - Why do you think the Celsius temperature scale is...Ch. 5 - Normal room temperature is about 20C. What is this...Ch. 5 - What is the Celsius equivalent of a temperature of...Ch. 5 - Prob. 7ECh. 5 - You have a Fahrenheit thermometer in your left...Ch. 5 - Why is a piece of ice at 0C more effective in...Ch. 5 - Would it be more efficient to warm your bed on a...Ch. 5 - A cup of hot coffee can be cooled by placing a...Ch. 5 - A 150-L water heater is rated at 8 kW. If 20...Ch. 5 - Prob. 13ECh. 5 - Prob. 14ECh. 5 - Prob. 15ECh. 5 - Prob. 16ECh. 5 - Prob. 17ECh. 5 - An essential part of a home solar heating system...Ch. 5 - A 10-kg stone is dropped into a pool of water from...Ch. 5 - Why do tables of densities always include the...Ch. 5 - A room is 5 m long, 4 m wide, and 3 m high. What...Ch. 5 - A 156-kg coil of sheet steel is 0.80 mm thick and...Ch. 5 - A 50-g bracelet is suspected of being gold-plated...Ch. 5 - Prob. 24ECh. 5 - Mammals have approximately the same density as...Ch. 5 - Prob. 26ECh. 5 - Prob. 27ECh. 5 - Some water is boiled briefly in an open metal can....Ch. 5 - When a person drinks a soda through a straw, where...Ch. 5 - Prob. 30ECh. 5 - The three containers shown in Fig. 5-55 are filled...Ch. 5 - A 60-kg swami lies on a bed of nails with his body...Ch. 5 - A tire pump has a piston whose cross-sectional...Ch. 5 - Prob. 34ECh. 5 - A 1200-lb car is equally supported by its four...Ch. 5 - The smallest bone in the index finger of a 75-kg...Ch. 5 - A hypodermic syringe whose cylinder has a...Ch. 5 - Prob. 38ECh. 5 - Why does buoyancy occur? Under what circumstances...Ch. 5 - Two balls of the same size but of different mass...Ch. 5 - A wooden block is submerged in a tank of water and...Ch. 5 - Prob. 42ECh. 5 - Prob. 43ECh. 5 - Prob. 44ECh. 5 - Prob. 45ECh. 5 - Prob. 46ECh. 5 - Prob. 47ECh. 5 - Prob. 48ECh. 5 - Prob. 49ECh. 5 - Prob. 50ECh. 5 - Prob. 51ECh. 5 - Prob. 52ECh. 5 - A 200-L iron tank has a mass of 36 kg. (a) Will it...Ch. 5 - What are the equivalents of 0 K, 0C, and 0F in the...Ch. 5 - A certain quantity of hydrogen occupies a volume...Ch. 5 - A tire contains air at a pressure of 2.8 bar at...Ch. 5 - Prob. 57ECh. 5 - A weather balloon carries instruments that measure...Ch. 5 - To what Celsius temperature must a gas sample...Ch. 5 - Prob. 60ECh. 5 - Prob. 61ECh. 5 - Prob. 62ECh. 5 - Is it meaningful to say that an object at a...Ch. 5 - Prob. 64ECh. 5 - Prob. 65ECh. 5 - The pressure on a sample of hydrogen is doubled,...Ch. 5 - Prob. 67ECh. 5 - Prob. 68ECh. 5 - Prob. 69ECh. 5 - Prob. 70ECh. 5 - To what temperature must a gas sample initially at...Ch. 5 - Prob. 72ECh. 5 - Prob. 73ECh. 5 - You can safely put your hand inside a hot oven for...Ch. 5 - Prob. 75ECh. 5 - Prob. 76ECh. 5 - What is the advantage of installing the heating...Ch. 5 - Why does evaporation cool a liquid?Ch. 5 - Prob. 79ECh. 5 - Prob. 80ECh. 5 - Give as many methods as you can think of that will...Ch. 5 - How much heat is given off when 1 kg of steam at...Ch. 5 - Prob. 83ECh. 5 - Prob. 84ECh. 5 - Prob. 85ECh. 5 - Prob. 86ECh. 5 - Water at 50C can be obtained by mixing together...Ch. 5 - Prob. 88ECh. 5 - Prob. 89ECh. 5 - Prob. 90ECh. 5 - Prob. 91ECh. 5 - Is it correct to say that a refrigerator produces...Ch. 5 - Prob. 93ECh. 5 - Prob. 94ECh. 5 - An engine that operates between 2000 K and 700 K...Ch. 5 - Prob. 96ECh. 5 - Prob. 97ECh. 5 - Prob. 98ECh. 5 - Prob. 99ECh. 5 - Prob. 100E
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- A 5.0-kg piece of lead at a temperature of 600 is placed in a lake whose temperature is 15 . Determine the entropy change of (a) the lead piece, (b) the lake, and (c) the universe.arrow_forwardGive an example of a spontaneous process in which a system becomes less ordered and energy becomes less available to do work. What happens to the system's entropy in this process?arrow_forwardYou are working on a summer job at a company that designs non-traditional energy systems. The company is working on a proposed electric power plant that would make use of the temperature gradient in the ocean. The system includes a heat engine that would operate between 20.0C (surface-water temperature) and 5.00C (water temperature at a depth of about 1 km). (a) Your supervisor asks you to determine the maximum efficiency of such a system. (b) In addition, if the electric power output of the plant is 75.0 MW and it operates at the maximum theoretically possible efficiency, you must determine the rate at which energy is taken in from the warm reservoir. (c) From this information, if an electric bill for a typical home shows a use of 950 kWh per month, your supervisor wants to know how many homes can be provided with power from this energy system operating at its maximum efficiency. (d) As energy is drawn from the warm surface water to operate the engine, it is replaced by energy absorbed from sunlight on the surface. If the average intensity absorbed from sunlight is 650 W/m2 for 12 daylight hours on a clear day, you need to find the area of the ocean surface that is necessary for sunlight to replace the energy absorbed into the engine. (e) From this information, you need to determine if there is enough ocean surface on the Earth to use such engines to supply the electrical needs for all the homes associated with the Earths population. Assume the energy use for a home in part (c) is an average over the entire planet. (f) In view of your results in this problem, your supervisor has asked for your conclusion as to whether such a system is worthwhile to pursue. Note that the fuel (sunlight) is free.arrow_forward
- Explain why a building made of bricks has smaller entropy than the same bricks in a disorganized pile. Do this by considering the number of ways that each could be formed (the number of microstates in each macrostate).arrow_forwardA heliumfilled toy balloon has a gauge pressure of 0.200 atm and a volume of 10.0 L. How much greater is the internal energy of the helium in the balloon than it would be at zero gauge pressure?arrow_forwardA 65-g ice cube is initially at 0.0C. (a) Find the change in entropy of the cube after it melts completely at 0.0C. (b) What is the change in entropy of the environment in this process? Hint: The latent heat of fusion for water is 3.33 105 J/kg.arrow_forward
- Explain how water’s entropy can decrease when it freezes without violating the second law of thermodynamics. Specifically, explain what happens to the entropy of its surroundings.arrow_forwardDoes a gas become more orderly when it liquefies? Does its entropy change? If s, does the entropy increase or decrease? Explain your answer.arrow_forwardAssume a sample of an ideal gas is at room temperature. What action will necessarily make the entropy of the sample increase? (a) Transfer energy into it by heat, (b) Transfer energy into it irreversibly by heat, (c) Do work on it. (d) Increase either its temperature or its volume, without letting the other variable decrease, (e) None of those choices is correct.arrow_forward
- An electrical power plant has an overall efficiency of 15%. The plant is to deliver 150 MW of electrical power to a city, and its turbines use coal as fuel. The burning coal produces steam at 190C, which drives the turbines. The steam is condensed into water at 25C by passing through coils that are in contact with river water. (a) How many metric tons of coal does the plant consume each day (1 metric ton = 1 103 kg)? (b) What is the total cost of the fuel per year if the delivery price is 8 per metric ton? (c) If the river water is delivered at 20C, at what minimum rate must it flow over the cooling coils so that its temperature doesnt exceed 25C? Note: The heat of combustion of coal is 7.8 103 cal/g.arrow_forwardA freezer is used to freeze 1.0 L of water completely into ice. The water and the freezer remain at a constant temperature of T = 0C. Determine (a) the change in the entropy of the water and (b) the change in the entropy of the freezer.arrow_forwardOn a hot summer day, 4.00106J of heat transfer into a parked car takes place, increasing its temperature from 35.0C to 45.0C. What is the increase in entropy of the car due to this heat transfer alone?arrow_forward
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