Answer to Question #136293 in Chemistry for neyola

Question

1. A block of titanium metal (c = 0.544 J/g.°C) at a temperature of 94.0°C is added to a Styrofoam cup containing 76.0 mL of water at 17.2°C.
If the final temperature of the titanium and water is 28.9°C, calculate the mass of the block of titanium. (Apply the same assumptions as in Q.1)
2. A Styrofoam calorimeter contains 66.25g of water at a temperature of 21.41˚C. 4.50g of potassium chlorate crystals are added to the water. When the crystals have dissolved completely, the water temperature has dropped to 16.28˚C.
Use this data to calculate the heat of solution of potassium chlorate in kJ/mole.

Answer 1

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