H°f(kJ/mol)G°f(kJ/mol)
This program provides drill in calculations involving enthalpy of
phase changes using standard enthalpies of formation. The
program will show the solution for incorrect answers.
Web Author: Dr. Walter S. Hamilton
| Substance | H°f(kJ/mol) |
G°f(kJ/mol) |
S°f(J/K. mol) |
| Br2(g) | 30.91 | 3.14 | 245.4 |
| Br2(l) | 0.00 | 0.00 | 152.2 |
| C6H6(g) | 82.93 | 129.7 | 269.2 |
| C6H6(l) | 48.99 | 124.4 | 173.3 |
| C6H12(g) | -123.1 | 31.8 | 298.2 |
| C6H12(l) | -156.2 | 26.7 | 204.3 |
| C10H8(g) | 149 | 223.6 | 335.6 |
| C10H8(s) | 75.3 | 201.0 | 166.9 |
| CH3OH(g) | -200.7 | -162.0 | 239.7 |
| CH3OH(l) | -238.7 | -166.4 | 126.8 |
| CH3CHO(g) | -166.1 | -133.4 | 246.4 |
| CH3CHO(l) | -191.8 | -128.3 | 160.4 |
| CH3CH2OH(g) | -234.4 | -167.9 | 282.6 |
| CH3CH2OH(l) | -277.7 | -174.9 | 160.7 |
| CS2(g) | 117 | 66.9 | 237.79 |
| CS2(l) | 87.9 | 63.6 | 150.0 |
| CCl4(g) | -96.0 | -53.7 | 309.7 |
| CCl4(l) | -139 | -68.6 | 214.4 |
| HCN(g) | 135 | 125 | 201.7 |
| HCN(l) | 105 | 121 | 112.8 |
| I2(g) | 62.44 | 19.36 | 260.6 |
| I2(s) | 0.00 | 0.00 | 116.1 |