College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 16, Problem 7MCQ
Entropy can be calculated using which of the following expressions?
a. Q/T
b.
c.
d. None of these
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
14)
Part 1: Five thousand kilocalories (5000 kcal) of heat flows from a high temperature reservoir at 600 K to a low temperature reservoir at 300 K.
What is the entropy change in the universe?
Part 2: Now let us assume the same 5000 kcal of heat flows through a 20% efficient heat engine between the same reservoirs.
a. Compute amount of heat converted into useful work.
b. Compute the entropy change in the universe.
6. When an aluminum bar is connected between a hot reservoir at 700 K and a cold reservoir
at 300 K, 2.75 kJ of energy is transferred by heat from the hot reservoir to the cold
reservoir. This is an irreversible process.
a. What is the change in entropy of the hot reservoir?
b. What is the change in entropy of the cold reservoir?
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 16 Solutions
College Physics
Ch. 16 - Prob. 1RQCh. 16 - Prob. 2RQCh. 16 - Prob. 3RQCh. 16 - Prob. 4RQCh. 16 - Which of the following processes is reversible?...Ch. 16 - In physics the collision of billiard balls is...Ch. 16 - Prob. 3MCQCh. 16 - 4. When driving a car (the system), what object...Ch. 16 - 5. The law of energy conservation says that energy...Ch. 16 - Prob. 6MCQ
Ch. 16 - Entropy can be calculated using which of the...Ch. 16 - Prob. 8MCQCh. 16 - 9. When a drop of ink enters a glass of water and...Ch. 16 - 10. Choose the best reason why the following...Ch. 16 - Prob. 11MCQCh. 16 - Which of the following changes will always...Ch. 16 - Entropy change is easier to determine for...Ch. 16 - 14. Describe five everyday examples of processes...Ch. 16 - Prob. 15CQCh. 16 - 16. In terms of the statistical definition of...Ch. 16 - 17. The entropy of the molecules that form leaves...Ch. 16 - Prob. 18CQCh. 16 - Below, BIO indicates a problem with a biological...Ch. 16 - Below, BIO indicates a problem with a biological...Ch. 16 - Prob. 3PCh. 16 - Below, BIO indicates a problem with a biological...Ch. 16 - Prob. 5PCh. 16 - 6. (a) Identify all of the macrostate...Ch. 16 - 7. * Repeat the previous problem for a system with...Ch. 16 - * Determine the ratio of the number of microstates...Ch. 16 - Prob. 9PCh. 16 - 10. * Parachutists landing on island Parachutists...Ch. 16 - Prob. 11PCh. 16 - * Nine numbered balls are dropped randomly into...Ch. 16 - * Rolling dice Two dice are rolled Macrostates of...Ch. 16 - 14.* (a) Apply your knowledge of probability to...Ch. 16 - Explain using your knowledge of probability why a...Ch. 16 - * EST Estimate the total change in entropy of two...Ch. 16 - 17. * EST (a) You add 0.1 kg of water at of iced...Ch. 16 - * Entropy change of a house A house at 20C...Ch. 16 - 19. ** Barrel of water in cellar in winter A...Ch. 16 - 20. * EST (a) Determine the final temperature when...Ch. 16 - * A 5.0-kg block slides on a level surface and...Ch. 16 - with the horizontal. Determine the entropy change...Ch. 16 - Prob. 23PCh. 16 - * BIO Efficiency of woman walking A 60-kg woman...Ch. 16 - Prob. 25PCh. 16 - 26. ** A cyclic process involving 1 mole of ideal...Ch. 16 - 27. ** A cyclic process involving 1 mole of ideal...Ch. 16 - Prob. 28PCh. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - Prob. 31PCh. 16 - 32. Rank the engines that operate with the...Ch. 16 - 33. Nuclear power plant A nuclear power plant...Ch. 16 - Prob. 34PCh. 16 - Prob. 35GPCh. 16 - W=AUint. W=(3.0)105N/m2 )(0.020m30.010m3)+0...Ch. 16 - * A thermodynamic engine operates between two...Ch. 16 - 38. * A refrigerator transfers 700 J of thermal...Ch. 16 - Prob. 39RPPCh. 16 - Prob. 40RPPCh. 16 - Fuel used to counter air resistance The resistive...Ch. 16 - Prob. 42RPPCh. 16 - Prob. 43RPPCh. 16 - The value of CA for a Ford Escape Hybrid is...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Express the unit vectors in terms of (that is, derive Eq. 1.64). Check your answers several ways Also work o...
Introduction to Electrodynamics
Your engineering department is asked to evaluate the performance of a new 370-hp sports car. You know that 27% ...
Essential University Physics: Volume 1 (3rd Edition)
Charge is distributed along the entire x-axis uniform density . How much work does the electric field of this ...
University Physics Volume 2
The diagram shows Bob’s view of the passing of two identical spaceships. Anna’s and his own, where v=2 . The le...
Modern Physics
A filter is a circuit designed to pass AC signals in some frequency range and to attenuate others. Common filte...
Essential University Physics: Volume 2 (3rd Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The second law of thermodynamics implies that the coefficient of performance of a refrigerator must be what? (a) less than 1 (b) less than or equal to 1 (c) greater than or equal to 1 (d) finite (e) greater than 0arrow_forward(a) How much food energy will a man metabolize in the process of doing 35.0 kJ of work with an efficiency of 5.00%? (b) How much heal transfer occurs to the environment to keep his temperature constant? Explicitly show how you follow the steps in the Problem—Solving Strategy for thermodynamics found in Problem-Solving Strategies for Thermodynamics.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
- (a) What is the change in entropy if you start with 10 coins in the 5 heads and 5 tails macrostate, toss them, and get 2 heads and 8 tails? (b) How much more likely is 5 heads and 5 tails than 2 heads and 8 tails? (Take the ratio of the number of microstates to find out.) (c) If you were betting on 2 heads and 8 tails would you accept odds of 252 to 45? Explain Why or why not. Table 15.5 10Coin Toss MacrostateNumber of Microstates (W) Heads Tails 10 0 1 9 1 10 8 2 45 7 3 120 6 4 210 5 5 252 4 6 210 3 7 120 2 8 45 1 9 10 0 10 1 Total: 1024arrow_forwardA sample of a monatomic ideal gas is contained in a cylinder with a piston. Its stale is represented by the dot in the PV diagram shown in Figure OQ22.9. Arrows A through E represent isobaric, isothermal, adiabatic, and isovolumetric processes that the sample can undergo. In each process except D, the volume changes by a factor of 2. All five processes are reversible. Rank the processes according to the change in entropy of the gas from the largest positive value to the largest-magnitude negative value. In your rankings, display any cases of equality.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
- (a) On a winter day, a certain house loses 5.00108J of heat to the outside (about 500,000 Btu). What is the total change in entropy due to this heat transfer alone, assuming an average indoor temperature of 21.0C and an average outdoor temperature of 5.00C ? (b) This large change in entropy implies a large amount of energy has become unavailable to do work. Where do we find more energy when such energy is lost to us?arrow_forwardA biology laboratory is maintained at a constant temperature of 7.00C by an air conditioner, which is vented to the air outside. On a typical hot summer day, the outside temperature is 27.0C and the air-conditioning unit emits energy to the outside at a rate of 10.0 kW. Model the unit as having a coefficient of performance (COP) equal to 40.0% of the COP of an ideal Carnot device. (a) At what rate does the air conditioner remove energy from the laboratory? (b) Calculate the power required for the work input. (c) Find the change in entropy of the Universe produced by the air conditioner in 1.00 h. (d) What If? The outside temperature increases to 32.0C. Find the fractional change in the COP of the air conditioner.arrow_forwardSuppose an ideal (Carnot) heat pump could be constructed for use as an air conditioner. (a) Obtain an expression for the coefficient of performance (COP) for such an air conditioner in terms of Tb and Tc. (b) Would such an air conditioner operate on a smaller energy input if the difference in the operating temperatures were greater or smaller? (c) Compute the COP for such an air conditioner if the indoor temperature is 20.0C and the outdoor temperature is 40.0C.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_forward(a) In reaching equilibrium, how much heat transfer occurs from 1.00 kg of water at 40.0C when it is placed in contact with 1.00 kg of 20.0C water in reaching equilibrium? (b) What is the change in entropy due to this heat transfer? (c) How much work is made unavailable, taking the lowest temperature to be 20.0C ? Explicitly show how you follow the steps in the Problem-Solving Strategies for Entropy.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_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
The Second Law of Thermodynamics: Heat Flow, Entropy, and Microstates; Author: Professor Dave Explains;https://www.youtube.com/watch?v=MrwW4w2nAMc;License: Standard YouTube License, CC-BY