using measuring cylinder,pour 50 ml of distilled water into the calorimeter.
into a cylinder,pour 50 ml of distilled water having a temperature of about 50-55 (use beaker to heat water on you hot plates up to 60) note the temperatures in both, calorimeter and cylinder with the intraval of 1 minute during 3 minutes; do not forget to adjust your thermometer properly:it should be dipped into water;wet the hole of the rubber cork and put it on thermometer carefully by rotational movements-do not preess too strong