Input interpretation
hydrogen iodine | melting point
Results
hydrogen | -259.14 °C (degrees Celsius) iodine | 113.7 °C (degrees Celsius)
Plot
Plot
Thermodynamic properties
| hydrogen | iodine phase at STP | gas | solid melting point | -259.14 °C | 113.7 °C boiling point | -252.87 °C | 184.3 °C critical temperature | 32.97 K | 819 K critical pressure | 1.293 MPa | 11.7 MPa molar heat of fusion | 0.558 kJ/mol | 7.76 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 20.9 kJ/mol specific heat at STP | 14300 J/(kg K) | 429 J/(kg K) adiabatic index | 7/5 | (properties at standard conditions)