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Author Question: The change in entropy when 1 kg of ice melts at 0C is (in J/K). (Lice = 333 J/g.) a. 335. b. 603. ... (Read 48 times)

Garrulous

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on: Jul 28, 2018
The change in entropy when 1 kg of ice melts at 0C is (in J/K). (Lice = 333 J/g.)
 a. 335.
  b. 603.
  c. 1 220.
  d. 1 310.
  e. 2 160.

Question 2

A vessel containing 5.0 kg of water at 10C is put into a refrigerator. The 1/7 HP motor (1 HP = 746 W) runs for 5.0 minutes to cool the liquid to the refrigerator's low temperature, 0C. What is the COP of the refrigerator?
 a. 5.7
  b. 4.6
  c. 6.5
  d. 7.2
  e. 3.6


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14vl19

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


Garrulous

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Reply 2 on: Jul 28, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
:D TYSM

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