Chemistry: Matter and Change
Exothermic and Endothermic
Purpose: Observe energy being released or absorbed in a chemical reaction.
Materials: 2 large test tubes, test tube rack, thermometer, 10 ml graduated cylinder, citric acid, sodium hydroxide solution, calcium chloride, magnesium sulfate, sodium carbonate, water, balance, goggles and lab apron
Questions: What is Exothermic? What is Endothermic?