Using a combination of four chemical solutions and employing Hess's Law, enthalpy of any one reaction can be calculated based on the observed data from the other two reactions. Students monitor the temperatures of the reactions in a calorimeter and analyze the data, calculating the enthalpy of each reaction and writing the net ionic equations. The experiment can be completed in approximately one hour and comes with enough materials for 15 setups. Fume hood recommended. Note: Additional shipping fee required.
Chemical Contents:
Ammonia
Ammonium Chloride
Hydrochloric Acid
Sodium Hydroxide
Additional Materials Required:
Thermometers, ±0.1°C
100 mL Beakers
50 mL Graduated Cylinders
Styrofoam Cups with Lids
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