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How much work must be done to extract 10.0 J of heat (a) from a reservoir at 7ºC and transfer it to one at 27ºC by means of a refrigerator using a carnot cycle; (b) from one at -73ºC to one at 27ºC; (c) from one at – 173ºC to one at 27ºC; and (d) from one at - 223ºC; and (d) from one at -223ºC to one at 27ºC?

How much work must be done to extract 10.0 J of heat (a) from a reservoir at 7ºC and transfer it to one at 27ºC by means of a refrigerator using a carnot cycle; (b) from one at  -73ºC to one at 27ºC; (c) from one at – 173ºC to one at 27ºC; and (d) from one at - 223ºC; and (d) from one at -223ºC to one at 27ºC?

Grade:upto college level

1 Answers

Deepak Patra
askIITians Faculty 471 Points
8 years ago
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