Question: ( 1 - 5 3 A 5 0 - k g copper block initially at 8 0 C is dropped into an insulated tank that

(1-53 A 50-kg copper block initially at 80C is dropped into
an insulated tank that contains 120 L of water at 25C. Deter-
mine the final equilibrium temperature and the total entropy
change for this process.
FIGURE P7-53
( 1 - 5 3 A 5 0 - k g copper block initially at 8

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