Calculate Energy Required
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The specific heat of fusion of silver is 30.0 calories per gram and the specific heat of silver is 0.30 Joules per gram per degree C. Calculate the energy required to melt 5.0 moles of silver if it starts as a solid at 25 degree C below its normal melting point and is heated to exactly 0.01 Celsius degree above its normal melting point.
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Step #1: Convert cal/g to J/g. This is done by multiplying 30.0 calories by 4.18400 J (1 cal = 4.18400 J), the answer is 125.52 J/g.
Step #2: Convert moles of silver to grams. This is done by multiplying moles x molar mass of silver = 107.8682 g/mol x 5.0 moles, ...
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