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20: 68: 2.3388: 17.5424: 0.0231 25: 77: 3.1690 ... The vapor pressure of water is the pressure exerted by molecules ... showing saturation vapor pressures for liquid ...
Values are given in terms of temperature necessary to reach the specified pressure. Valid results within the quoted ranges from most equations are included in the table for comparison. A conversion factor is included into the original first coefficients of the equations to provide the pressure in pascals (CR2: 5.006, SMI: -0.875).
Up to 99.63 °C (the boiling point of water at 0.1 MPa), at this pressure water exists as a liquid. Above that, it exists as water vapor. Note that the boiling point of 100.0 °C is at a pressure of 0.101325 MPa (1 atm), which is the average atmospheric pressure.
The atmospheric pressure boiling point of a liquid (also known as the normal boiling point) is the temperature at which the vapor pressure equals the ambient atmospheric pressure. With any incremental increase in that temperature, the vapor pressure becomes sufficient to overcome atmospheric pressure and cause the liquid to form vapor bubbles.
The pressure a liquid exerts against the sides and bottom of a container depends on the density and the depth of the liquid. If atmospheric pressure is neglected, liquid pressure against the bottom is twice as great at twice the depth; at three times the depth, the liquid pressure is threefold; etc. Or, if the liquid is two or three times as ...
Vapor pressure of liquid. vapor pressure at 20 °C = 0.556 mbar = 0.417 mmHg [2] log 10 of dimethyl sulfoxide vapor pressure. Uses formula = ...
A log-lin vapor pressure chart for various liquids. The higher the vapor pressure of a liquid at a given temperature, the lower the normal boiling point (i.e., the boiling point at atmospheric pressure) of the liquid. The vapor pressure chart to the right has graphs of the vapor pressures versus temperatures for a variety of liquids. [10]
4 Vapor pressure of liquid. 5 Freezing point of aqueous solutions. 6 Distillation data. ... 63.4 mN/m at 20 °C 58.6 mN/m at 90 °C 51.9 mN/m at 150 °C Viscosity [2]