How much heat is needed to raise the temp. of 25.0 g of, Ask an Expert

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1. The specific heat of solid gold is 0.13 J/g * C. How much heat is needed to raise the temp. of 25.0 g of gold from 23C to it's melting point at 1063C? I know the answer is 3.4 KJ but need to know how to get the answer if unknown.

2. Calculate the heat of vaporization of zinc if 393 KJ is required to vaporize a 223g sample.

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