Heat Capacity Problem Set

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1. Calculate the amount of energy required to raise the temperature of 250.0 g of water from 15 °C to 90 °C.
2. Calculate the amount of energy required to raise the temperature of 250.0 g of aluminum.
3. A 10.0 gram piece of copper is heated to 250 °C. It is placed in an insulated container with 250.0 mL of water at 20 °C. Calculate the final temperature of the water.
4. 10.0 grams of copper is heated to 125.00 °C and placed in 500 mL of an unknown liquid at 20.00 °C. The final temperature of the liquid is 25.40 °C, could this liquid be ethanol (density 0.7893 g/mL). Explain.

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