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Phase behavior Triple point: 113.55K (–159.8 °C), 0.019483 Pa Critical point: 408.7 K (134.4 °C), 3655 kPa Std enthalpy change of fusion, Δ fus H o: 4.59 kJ/mol
Isobutane is the principal feedstock in alkylation units of refineries. Using isobutane, gasoline-grade "blendstocks" are generated with high branching for good combustion characteristics. Typical products created with isobutane are 2,4-dimethylpentane and especially 2,2,4-trimethylpentane. [7] Typical acid-catalyzed route to 2,4-dimethylpentane.
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).
This is illustrated in the vapor pressure chart (see right) that shows graphs of the vapor pressures versus temperatures for a variety of liquids. [7] At the normal boiling point of a liquid, the vapor pressure is equal to the standard atmospheric pressure defined as 1 atmosphere, [ 1 ] 760 Torr, 101.325 kPa, or 14.69595 psi.
4 Vapor pressure of liquid. 5 Spectral data. 6 References. Toggle the table of contents. Butane (data page) 1 language.
In the last trimester of her pregnancy, Looney developed preeclampsia, a serious condition whose signs include high blood pressure, which damaged her remaining kidney.
Wealth inequality casts its shadow on everything from children's early development to adults' emotional well-being. It directly impacts education, housing, wellness and mental health.In fact ...
A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%). B Calculated values *Derived data by calculation.