Question: ( E ) 7 . 2 9 Two blocks of metal, each having a mass of 1 0 kg and a specific heat of 0

(E)7.29 Two blocks of metal, each having a mass of 10 kg and a specific heat of 0.4kJkgK,
are at a temperature of 40C. A reversible refrigerator receives heat from one block
and rejects heat to the other. Calculate the work required to cause a temperature
difference of 100C between the two blocks.
[LO 7.2](Ans.32 kJ )
( E ) 7 . 2 9 Two blocks of metal, each having a

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