Table 2.
Solution calorimetric data of US2 samples
| Sample | Trial | Weight (g) | Heat of solution (∆H) in J g−1 obtained experimentally | Theoretical heat of solution (∆H) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Pre-break calibration | Post-break calibration | Mean | Overall mean | SD | RSD | ||||
| BMA | 1 | 0.10026 | 36.005 | 35.998 | 36.00 | 36.6 | 0.5 | 1.4 | N/A |
| 2 | 0.10034 | 36.947 | 36.974 | 36.96 | |||||
| 3 | 0.10036 | 36.888 | 36.839 | 36.86 | |||||
| US2 | 1 | 0.10062 | − 45.948 | − 45.874 | − 45.91 | − 46.5 | 0.5 | − 1.1 | |
| 2 | 0.10064 | − 46.869 | − 46.847 | − 46.86 | |||||
| 3 | 0.10053 | − 46.670 | − 46.656 | − 46.66 | |||||
| US2 1 (PM) | 1 | 0.10013 | − 5.951 | − 5.936 | − 5.94 | − 5.4 | 0.5 | − 9.0 | − 4.9 |
| 2 | 0.10186 | − 4.974 | − 4.969 | − 4.97 | |||||
| 3 | 0.10071 | − 5.369 | − 5.356 | − 5.36 | |||||
| US2 4 | 1 | 0.10072 | − 10.823 | − 10.809 | − 10.82 | − 10.9 | 0.3 | − 2.8 | − 29.9 |
| 2 | 0.10070 | − 10.726 | − 10.702 | − 10.71 | |||||
| 3 | 0.10050 | − 11.293 | − 11.277 | − 11.29 | |||||
| US2 2.5 | 1 | 0.10008 | − 15.983 | − 15.968 | − 15.98 | − 16.3 | 0.6 | − 3.9 | − 21.6 |
| 2 | 0.10035 | − 17.014 | − 16.986 | − 17.00 | |||||
| 3 | 0.10009 | − 15.866 | − 15.850 | − 15.86 | |||||
| US2 1 | 1 | 0.10045 | − 14.052 | − 14.003 | − 14.03 | − 14.4 | 0.4 | − 3.1 | − 13.2 |
| 2 | 0.10045 | − 14.911 | − 14.894 | − 14.90 | |||||
| 3 | 0.10092 | − 14.292 | − 14.276 | − 14.28 | |||||