9. Place the calorimeter inside a 250 ml beaker so that it won't easily tip over. Insert the thermometer (be sure it has cooled to room temperature) through the lid and place the lid on the calorimeter so that the bulb of the thermometer is completely Initial temperature of submerged in the water. Let the thermometer sit in the water water in calorimeter for about 1 minute (to reach thermal equilibrium) and record the initial temperature of the water in the calorimeter