1. Enthalpy of Solution

2. Chemistry Name
Experiment #17 Date: ___Mods:__
Enthalpy of Solution Partner name

3. Objective:
To find the enthalpy (heat) of solution when a chemical dissolves

4. Lab Safety

5. Procedure 1. Mass empty calorimeter
2. Fill ½ with water and mass again
3. Record initial temperature of water
4. Mass scoop of chemical
5. Add chemical to calorimeter
6. Stir with thermometer until it is all dissolved and record highest or lowest temperature
7. Repeat with second chemical

6. Data Chemical #1: NaOH 1. mass of empty calorimeter _____
2. mass of cal + water _____
3. temp of water _____
4. mass of chemical _____
5. temp of chemical + water _____
Chemical #2: NH4NO3
4. mass of chemical _____

7. Calculations

8. Conclusion
We found the enthalpy of solution for NaOH to be _________. The reaction is ________ because the temperature of water went ______. We found the enthalpy of solution for NH4NO3 to be ___________. The reaction is __________ because the temperature of the water went _____.
Two sources of error are…