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2. A 250g copper calorimeter can contains 150g of oil at 20C. To the oil is added 85g of aluminum at 350C. What will

2. A 250g copper calorimeter can contains 150g of oil at 20C. To the oil is added 85g of aluminum at 350C. What will be the temperature of the system after equilibrium is established? (aluminum c=0.093cal/g-C; copper c=0.21cal/g-C; oil c= 0.37 cal/g-C)

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