Sodium chloride is added in cooking to enhance the flavor of food. When 10.00 g of NaCl are dissolved in 200.0 mL of water at 25.0°C in a coffeecup calorimeter, 669 J of heat are absorbed. (You can make the following assumptions about the solution: volume = 200.0 mL, density = 1.00 g/mL, specific heat = 4.18 J/g · °C)
(a) Is the solution process exothermic?
(b) What is qH2O?
(c) What is the final temperature of the solution?
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