Determination of Heat of Formation of Calcium Carbonate
+ Experiment 7A: Determination of Heat of Formation of Calcium Carbonate: Date: 2003/11/03 Time needed: About 45 mins Objectives: 1. To determine the Heat of Formation of Calcium Carbonate. Chemicals: - Calcium metal, - 1M hydrochloric acid, - Powdered calcium carbonate. ... Reaction of calcium with dilute hydrochloric acid 1. ... 5g of calcium metal. ... On the fifth minute, ad the weighted portion of calcium and stir thoroughly with the thermometer until all the metals has reacted. ... Reaction of calcium carbonate with dilute hydrochloric acid 1. Weigh out 2 to 3g of dry, powdered calcium carbonate. ... At the fifth minute, tip all the calcium carbonate powder into the cup.