2. A heat engine absorbs 100.0 kJ of heat from a hot reservoir at 100.0 C and...
Fantastic news! We've Found the answer you've been seeking!
Question:
2. A heat engine absorbs 100.0 kJ of heat from a hot reservoir at 100.0 °C and rejects 40,0 kJ of heat to a cold reservoir at 20.0 °C. Is this engine possible? Justify your answer.
3. A 15.0 g ice cube is initially at -15.0°C. It absorbs enough heat to turn into water at 5.0° C. What is the change in entropy of the ice cube?
Transcribed Image Text:
An inventor suggests that a house might be heated by using a refrigerator to draw energy as heat from the ground and reject energy as heat into the house. He claims that the energy supplied to the house as heat can exceed the work required to run the refrigerator. This: A) is impossible by first law. B) is impossible by second law. C) would only work if the ground and the house were at the same temperature. D) is impossible since heat energy flows from the (hot) house to the (cold) ground. E) is possible. An inventor suggests that a house might be heated by using a refrigerator to draw energy as heat from the ground and reject energy as heat into the house. He claims that the energy supplied to the house as heat can exceed the work required to run the refrigerator. This: A) is impossible by first law. B) is impossible by second law. C) would only work if the ground and the house were at the same temperature. D) is impossible since heat energy flows from the (hot) house to the (cold) ground. E) is possible.
Expert Answer:
Answer rating: 100% (QA)
1 E is possible EXPLANATION The refrigerator would work as a heat pump and it ... View the full answer
Posted Date:
Students also viewed these accounting questions
-
What is the change in entropy of 10 g of steam at 100C as it condenses to water at 100C? By how much does the entropy of the universe increase in this process?
-
What is the change in entropy of 320 g of steam at 100C when it is condensed to water at 100C?
-
What is the change in entropy of 1.00m3 of water at 0oC when it is frozen to ice at 0oC?
-
What is the main difference between n-type and p-type semiconductors?
-
What is the purpose of a code of conduct?
-
Define the term computer model.
-
What is service-oriented architecture? How does SOA help the flexibility of an information system?
-
Go-for-Broke Company is being liquidated under Chapter 7 of the bankruptcy code. When it filed for bankruptcy, its balance sheet was as follows: *All accrued wages must be paid out of the liquidation...
-
Describe the International Monetary Fund. How do the Foreign Exchange Market and the International Monetary System relate and interact? Provide examples.
-
A steel company is producing steel for a new contract. The contract specifies the information in the following table for the steel. The steel company mixes batches of eight different available...
-
Based on the case, course materials, and your understanding of price ceilings and floors, answer the following questions: Why did the Swiss National Bank (SNB) implement a price ceiling in 2011? How...
-
Marvin received all of Epic Corporation's stock worth $180,000 in exchange for his property worth $100,000 and his professional accounting services valued at $80,000. How much income, if any, does...
-
Accountant 12 is an audit manager. She has been busy working with her client on some financial information as she gets ready for the audit. Her client wants her to email the cash budget that they...
-
The clutch may not disengage completely Difficulty in adjusting clutch free play Difficulty in shifting gears All of the answers are correct. What may occur if the clutch pedal height adjustment is...
-
The second video demonstrates the detailed data flowing cycle in an accounting information system. The instructor indicates that audit trail acts as an essential function to ensure the clarity of the...
-
In the 1960s, computer use spread to businesses to support operations through data processing, including bookkeeping information, accounting details, payroll sheets and what else?
-
A heat pump uses refrigerant-134s as a working fluid to heat a home. It operates on an ideal vapour-compression cycle. The low pressure is 2bars and the compression ratio of the pump is 5. Address...
-
Show that gj concave AHUCQ Abadie For nonnegative variables, we have the following corollary.
-
A company issues $1,000,000 face value of 10-year bonds on January 1, 2015 when the market interest rate on bonds of comparable risk and terms is 5%. Th e bonds pay 6% interest annually on December...
-
For a bond issued at a premium, using the eff ective interest rate method, the: A . carrying amount increases each year. B . amortization of the premium increases each year. C . premium is evenly...
-
A company issues $30,000,000 face value of fi ve-year bonds dated January 1, 2015 when the market interest rate on bonds of comparable risk and terms is 5%. Th e bonds pay 4% interest annually on...
Study smarter with the SolutionInn App