Question
Measurement/Calculation 5g CaCl 2 10g CaCl 2 15g CaCl 2 5g NH 4 Cl 10g NH 4 Cl 15g NH 4 Cl Mass of water
| Measurement/Calculation | 5g CaCl2 | 10g CaCl2 | 15g CaCl2 | 5g NH4Cl | 10g NH4Cl | 15g NH4Cl |
| Mass of water (g) *calculated value | 100 | 100 | 100 | 100 | 100 | 100 |
| Mass of Solid Salt (g) | 6 | 10 | 15 | 5 | 10 | 15 |
| Initial Temperature, Ti (C) | 16 | 19 | 19 | 20 | 19 | 19.5 |
| Final Temperature, Tf (C) | 22 | 35 | 41.5 | 16.3 | 13 | 11 |
| Change in Temperature (C) *calculated value | 6 | 16 | 22.5 | -3.7 | -6 | -8.5 |
| Enthalpy (heat) change in the water (J) *calculated value | -2511.6 | -6697.6 | -9418.5 | 1548.3 | 2551.6 | 3558.1 |
| Heat Capacity (Specific Heat) for the Calorimeter (J/C) | 31.4 J/C | 31.4 J/C | 31.4 J/C | 31.4 J/C | 31.4 J/C | 31.4 J/C |
| Enthalpy (heat) change in the Calorimeter (J) *calculated value | 00.0 | 00.0 | 00.0 | 00.0 | 00.0 | 00.0 |
| Total enthalpy (heat) change of solution (J) *calculated value | 00.0 | 00.0 | 00.0 | 00.0 | 00.0 | 00.0 I'm confused how to do these calcuations past what I did with my data |
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Quantitative Chemical Analysis
Authors: Daniel C. Harris
8th edition
1429218150, 978-1429218153
