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What is the Coefficient of Performance of a refrigerator is if is in an environment of...
a.) What is the best possible coefficient of performance for a refrigerator that cools an environment...
a.) What is the best possible coefficient of performance for a refrigerator that cools an environment at -33.0 °C and exhausts heat to another environment at 39.0 °C? b.) How much work in joules must be done for a heat transfer of 3.925 × 106 J from the cold environment? c.)What is the cost of doing this, if the work costs 17.5 cents per 3.60 × 106 J (a kilowatt-hour)? d.) How many joules of heat transfer occurs into the...
(a) What is the best coefficient of performance for a refrigerator that cools an environment at...
(a) What is the best coefficient of performance for a refrigerator that cools an environment at -29.5°C and has heat transfer to another environment at 45.5°C? (b) How much work in joules must be done for a heat transfer of 4186 kJ from the cold environment? (c) What is the cost (in cents) of doing this if the work costs 15.0 cents per 3.60 x 106 J (a kilowatt-hour)? (d) How many kJ of heat transfer occurs into the warm...
Problem 18.56 6 of 8 Review A refrigerator with a coefficient of performance of 1.85 absorbs...
Problem 18.56 6 of 8 Review A refrigerator with a coefficient of performance of 1.85 absorbs 3.54x10* J of heat from the low- temperature reservoir during each cycle. Part A How much mechanical work is required to operate the refrigerator for a cycle? ΡΕΙ ΑΣφ + ? Submit Request Answer Part 8 How much heat does the refrigerator discard to the high-temperature reservoir during each cycle? 10 AED + + ? KJ Submit Request Answer
TIUVICU TU. A refrigerator has a coefficient of performance of K = 2.1. Each cycle, it...
TIUVICU TU. A refrigerator has a coefficient of performance of K = 2.1. Each cycle, it absorbs 3.75x104 J of heat from the cold reservoir. The refrigerator is driven by a Carnot engine that has an efficiency of e=0.5 Eckboard - The Cit x Bb Pre-Lab Assignments - 201 X C Six HepID=9ca21d320b455f2dffd7601af0f84482#10001 Part A How much mechanical energy is required each cycle to operate the refrigerator? Express your answer in joules to two significant figures. IVO ALDO a ?...
A refrigerator has a coefficient of performance of 1.15, and it extracts 7.95 J of heat...
A refrigerator has a coefficient of performance of 1.15, and it extracts 7.95 J of heat from the cold reservoir during each cycle. (a) How much work is done on the gas in each cycle? (b) How much heat is exhausted into the hot reservoir in each cycle? I've seen a similar question, but I still don't understand how to solve. Can I get help please, step by step would be kind.
13.7.04.4 Limiting Reagents, Aqueous Reactions Soved 02 points Report p Enter your answer in the provided...
13.7.04.4 Limiting Reagents, Aqueous Reactions Soved 02 points Report p Enter your answer in the provided ber. Hydrogen fluoride is used in the manufacture of Freons (which destroyerose in the stratosphere) and in the production of aluminum metal. It is prepared by the reaction CaF, H,SO-CaSO+ 2HF 2013050 Hint eBook Ta one process, 6.15 kg of CaF, is treated with an excess of H,SO, and yields 2.85 kg of H. Calealate the percent yield of HF. Would you like try...
please tell me is it true or false im doing my exam Allocations of corporate headquarters...
please tell me is it true or false im doing my exam
Allocations of corporate headquarters expenses to divisions used in return on investment calculations should be limited to the cost of those actual services provided by central headquarters, which the divisions otherwise would have to provide for themselves Select one O True Es page 1st page e Type here to search o ESC CE स D 7 2 3 4 8 9 0 VA *5 T Q W E...
Halliday. Fundamentals of Physics, 10e 10e Help I System Announcements PRINTER VERSION ENT RESOURCES Chapter 05,...
Halliday. Fundamentals of Physics, 10e 10e Help I System Announcements PRINTER VERSION ENT RESOURCES Chapter 05, Problem 007 Your answer is partially correct. Try again. the overhead view of the figure but only one is shown. For Fi 14.8 N, a 14.3 m/s', and 8 25.5, find the second force (a) in There are two forces on the 1.28 kg box in view unit-vector notation and as (b) a magnitude and (c) a direction. (State the direction as a negative...
please help on the answer of thid question Multiple Attempts Not allowed This test can only...
please help on the answer of thid question
Multiple Attempts Not allowed This test can only be taken once Force Completion Once started,this test must be completed in one aliting Don leave the test before dlicking Save and Submit Remaining Time: 1 hour, 54 minutes, 35 seconds. Question Completion Status > Δ Moving to another question will save this response Question 1 of 4 Question1 25 points Save Answer A machine that have the following cost is under consideration for...
Timed Test This test has a time limit of 1 hour and 40 minutes. This test...
Timed Test This test has a time limit of 1 hour and 40 minutes. This test will save and submit automatically when the time expires. Warnings appear when half the time, 5 minutes, 1 minute, and 30 seconds remain. Not allowed. This test can only be taken once. Multiple Attempts Force Completion Once started, this test must be completed in one sitting. Do not leave the test before clicking Save and Submit Your answers are saved automatically Remaining Time: 1...
(a) What is the best coefficient of performance for a refrigerator that cools an environment at -29.5°C and has heat transfer to another environment at 45.5°C? (b) How much work in joules must be done for a heat transfer of 4186 kJ from the cold environment? (c) What is the cost (in cents) of doing this if the work costs 15.0 cents per 3.60 x 106 J (a kilowatt-hour)? (d) How many kJ of heat transfer occurs into the warm...
Problem 18.56 6 of 8 Review A refrigerator with a coefficient of performance of 1.85 absorbs 3.54x10* J of heat from the low- temperature reservoir during each cycle. Part A How much mechanical work is required to operate the refrigerator for a cycle? ΡΕΙ ΑΣφ + ? Submit Request Answer Part 8 How much heat does the refrigerator discard to the high-temperature reservoir during each cycle? 10 AED + + ? KJ Submit Request Answer
TIUVICU TU. A refrigerator has a coefficient of performance of K = 2.1. Each cycle, it absorbs 3.75x104 J of heat from the cold reservoir. The refrigerator is driven by a Carnot engine that has an efficiency of e=0.5 Eckboard - The Cit x Bb Pre-Lab Assignments - 201 X C Six HepID=9ca21d320b455f2dffd7601af0f84482#10001 Part A How much mechanical energy is required each cycle to operate the refrigerator? Express your answer in joules to two significant figures. IVO ALDO a ?...
13.7.04.4 Limiting Reagents, Aqueous Reactions Soved 02 points Report p Enter your answer in the provided ber. Hydrogen fluoride is used in the manufacture of Freons (which destroyerose in the stratosphere) and in the production of aluminum metal. It is prepared by the reaction CaF, H,SO-CaSO+ 2HF 2013050 Hint eBook Ta one process, 6.15 kg of CaF, is treated with an excess of H,SO, and yields 2.85 kg of H. Calealate the percent yield of HF. Would you like try...
please tell me is it true or false im doing my exam
Allocations of corporate headquarters expenses to divisions used in return on investment calculations should be limited to the cost of those actual services provided by central headquarters, which the divisions otherwise would have to provide for themselves Select one O True Es page 1st page e Type here to search o ESC CE स D 7 2 3 4 8 9 0 VA *5 T Q W E...
Halliday. Fundamentals of Physics, 10e 10e Help I System Announcements PRINTER VERSION ENT RESOURCES Chapter 05, Problem 007 Your answer is partially correct. Try again. the overhead view of the figure but only one is shown. For Fi 14.8 N, a 14.3 m/s', and 8 25.5, find the second force (a) in There are two forces on the 1.28 kg box in view unit-vector notation and as (b) a magnitude and (c) a direction. (State the direction as a negative...
please help on the answer of thid question
Multiple Attempts Not allowed This test can only be taken once Force Completion Once started,this test must be completed in one aliting Don leave the test before dlicking Save and Submit Remaining Time: 1 hour, 54 minutes, 35 seconds. Question Completion Status > Δ Moving to another question will save this response Question 1 of 4 Question1 25 points Save Answer A machine that have the following cost is under consideration for...
Timed Test This test has a time limit of 1 hour and 40 minutes. This test will save and submit automatically when the time expires. Warnings appear when half the time, 5 minutes, 1 minute, and 30 seconds remain. Not allowed. This test can only be taken once. Multiple Attempts Force Completion Once started, this test must be completed in one sitting. Do not leave the test before clicking Save and Submit Your answers are saved automatically Remaining Time: 1...
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