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Thermochemical Properties: phosphoric acid
Standard thermodynamic properties of chemical compounds — standard enthalpies and Gibbs energies of formation, standard entropies and heat capacities (per phase: solid/liquid/gas), plus critical properties, vapor pressures, and enthalpy of combustion from NIST WebBook and CRC Handbook 97th Edition
| compound id | Cp gas J molK (J/molK) | Cp liquid J molK (J/molK) | Hf standard kJ mol (kJ/mol) | boiling point C (C) | cas number | critical temp K (K) | density kg m3 (kg/m3) | formula | melting point C (C) | molar mass g mol (g/mol) | name | state at 25C | vapor pressure kPa 25C (kPa) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| phosphoric acid | 95 | 145 | -1,271.7 | 407 | 7664-38-2 | 838 | 1,880 | H3PO4 | 42.4 | 97.994 | Phosphoric Acid | liquid | 0.003 |
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