10 Thermochemistry and Hess's Law Name: Section Lab. Instructor Date Pre-Laboratory Questions 1. What is the definition of the joule in terms of the basic Sl units? 2. In a calorimeter calibration experiment, a sampe of 51.682 g of water at 55.2 °C is added to a calorimeter containing 50.220 g of water at 23.5 °C. After stirring and waiting for the system to equilibrate, the final temperature reached is 36.6 °C. Calculate the calorimeter constant. 3. Give chemical equations for the reactions that will occur during this Experiment