A 100-g copper calorimeter can contains 250g of oil at 40o C. To the oil is added 150 g of aluminum at 400 o C. What will be the temperature of the system after equilibrium is established? (The specific heat of copper is : 385J/ kg o C. The specific heat of oil is : 2000J/ kg o C. The specific heat of aluminum is : 900J/ kg o C.)

A 100-g copper calorimeter can contains 250g of oil at 40o C. To the oil is added 150 g of aluminum at 400 o C. What will be the temperature of the system after equilibrium is established? (The specific heat of copper is : 385J/ kg o C. The specific heat of oil is : 2000J/ kg o C. The specific heat of aluminum is : 900J/ kg o C.)

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