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3. Copper has molar heat capacity as 25.0J/C-mol. If copper to 79.2C, what will be its initial temperature in Celsius (10 pts)? 4. If surrounding

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3. Copper has molar heat capacity as 25.0J/C-mol. If copper to 79.2C, what will be its initial temperature in Celsius (10 pts)? 4. If surrounding outputs 2.987kJ of work and gains 3034.3J of heat, what is the internal energy change of the system? Show your work. Circle your answer. ( 8pts) Please calculate the H0 rxn for the following reaction

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