Henrys Law Constants: acetylene to carbon_monoxide
Henry's Law constants for gas solubility in water — solubility form H_cp [mol/L/atm], volatility form H_kH [atm·L/mol], dimensionless form H_cc, and van't Hoff temperature-dependence parameter d(lnH)/d(1/T) [K]; covers 20 gases at 25°C reference in water; per Sander (2023) Atmos. Chem. Phys. compilation
| gas | H cp mol per L atm (mol/L/atm) | H dimensionless (dimensionless) | H kH atm L per mol (atm·L/mol) | dln H d 1 T K (K) | formula | notes | solvent | temperature C (C) |
|---|---|---|---|---|---|---|---|---|
| acetylene | 0.04157 | 0.9836 | 24.06 | 1,800 | C2H2 | Moderately soluble; used in welding; also known as ethyne; H_dimensionless near 1 | water | 25 |
| ammonia | 59.78 | 0.000684 | 0.01673 | 4,200 | NH3 | Extremely soluble; forms NH4+ in water; strongly temperature-sensitive; almost entirely in liquid | water | 25 |
| argon | 0.001419 | 28.82 | 704.9 | 1,400 | Ar | Noble gas; slightly soluble; used in dissolved gas analysis | water | 25 |
| carbon_dioxide | 0.03445 | 1.187 | 29.03 | 2,300 | CO2 | Physical solubility of undissociated CO2 only; total dissolved C higher due to carbonate equilibria | water | 25 |
| carbon_monoxide | 0.000983 | 41.58 | 1,017 | 1,300 | CO | Very sparingly soluble; toxicity risk | water | 25 |
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