Have each group member write a problem involving the transfer of heat from one material in Table 7.4 to another material in the table. Working as a group, solve each problem. The group member who wrote each problem may act as the group facilitator when the group is working on his or her problem. What do all of your problems have in common? How do they differ?

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TABLE 7.4 Specific Heat Capacities of Some Common Substances Specific Heat Substance Capacity, C, (J/g °C)* Elements Lead Gold Silver Copper Iron Aluminum Compounds Ethanol Water Materials Glass (Pyrex) Granite Sand *At 298 K. 0.128 0.128 0.235 0.385 0.449 0.903 2.42 4.18 0.75 0.79 0.84