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?

Shane Macguire , 9 Years ago

Grade upto college level