Calorimetry (Section)Consider the data about gold metal in

Chapter 3, Problem 54E

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Problem 54E

Calorimetry (Section)

Consider the data about gold metal in Exercise.

For the following processes, calculate the change in internal energy of the system and determine whether the process is endothermic or exothermic: (b) A 100.0-g bar of gold is heated from 25 °C to 50 °C during which it absorbs 322 J of heat. Assume the volume of the gold bar remains constant.

(a) Based on the data, calculate the specific heat of Au(s). (b) Suppose that the same amount of heat is added to two 10.0-g blocks of metal, both initially at the same temperature. One block is gold metal, and one is iron metal. Which block will have the greater rise in temperature after the addition of the heat? (c) What is the molar heat capacity of Au(s)?

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