二氧化碳在水中的溶解度
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Vapor pressure of solid and liquid
Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. Annotation "(s)" indicates equilibrium temperature of vapor over solid. Otherwise temperature is equilibrium of vapor over liquid. For kPa values, where datum is whole numbers of atmospheres exact kPa values are given, elsewhere 2 significant figures derived from mm Hg data.
log of Carbon Dioxide vapor pressure. Uses formula: obtained from CHERIC[3] [edit] Phase diagram
[edit] Liquid/vapor equilibrium thermodynamic data
The table below gives thermodynamic data of liquid CO2 in equilibrium with its vapor at various temperatures. Heat content data, heat of vaporization, and entropy values are relative to the liquid st ate at 0°C temperature and 3483 kPa pressure. To convert heat values to joules per mole values, multiply by 44.095 grams/mole. To convert densities to moles/liter, multiply by 22.678 cm3-mole/liter-gram. Data obtained from CRC Handbook of Chemistry and Physics, 44th ed. pages 2560-2561, except for critical temperature line (31.1°C) and temperatures –30°C and below, which are taken from Lange's Handbook of Chemistry, 10th ed. page 1463.
Carbon dioxide liquid/vapor equilibrium thermodynamic data
Temp. °C
P vap
Vapor
pressure
kPa
H liq
Heat
content
liquid
J/g
H vap
Heat
content
vapor
J/g
Δvap H o
Heat of
vapor-
ization
J/g
ρvap
Density
of vapor
g/cm3
ρliq
Density
of liquid
g/cm3
S liq
Entropy
liquid
J/mol-°C
S vap
Entropy
vapor
J/mol-°C
–56.6 518.3 1.179 –56.0 531.8 1.177 –54.0 579.1 1.169 –52.0 629.6 1.162 –50.0 683.4 1.155