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  3. 1. a 30 g piece of metal (160.9 g/mol) melts at 1,

1. A 30 g piece of metal (160.9 g/mol) melts at 1,560°C and its enthalpy of...

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Chemistry

1. A 30 g piece of metal (160.9 g/mol) melts at1,560°C and its enthalpy of fusion is 12.6 kJ/mol. Calculate theentropy of fusion (J/k) per mole of the metal.

2. The temperature of a 374 g piece of graniteis increased from 38.4°C to 62.6°C. What is its change in entropy(J/K)? The specific heat capacity of granite is 0.790J/g.K.

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