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  2. Isobutane (data page) - Wikipedia

    en.wikipedia.org/wiki/Isobutane_(data_page)

    Gas properties Std enthalpy change of formation, Δ f H o gas –134.2 kJ/mol Standard molar entropy, S o gas: 249.7 J/(mol K) Enthalpy of combustion, Δ c H o –2869 kJ/mol Heat capacity, c p: 95.21 J/(mol K) at 20°C van der Waals' constants [1] a = 1304.1 L 2 kPa/mol 2 b = 0.1142 liter per mole

  3. Butane (data page) - Wikipedia

    en.wikipedia.org/wiki/Butane_(data_page)

    Gas properties Std enthalpy change of formation, Δ f H o gas –124.7 kJ/mol Standard molar entropy, S o gas: 310.23 J/(mol K) Enthalpy of combustion, Δ c H o –2877.5 kJ/mol Heat capacity, c p: 98.49 J/(mol K) at 25 °C n-butane van der Waals' constants [3] a = 1466.2 L 2 kPa/mol 2 b = 0.1226 liter per mole

  4. Vapor pressures of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Vapor_pressures_of_the...

    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).

  5. Isobutane - Wikipedia

    en.wikipedia.org/wiki/Isobutane

    R600-Isobutane 13.6Kg Cylinder by Starke Hvac. Isobutane, also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula HC(CH 3) 3. It is an isomer of butane. Isobutane is a colorless, odorless gas. It is the simplest alkane with a tertiary carbon atom.

  6. Liquefied petroleum gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_petroleum_gas

    LPG is composed mainly of propane and butane, while natural gas is composed of the lighter methane and ethane. LPG, vaporised and at atmospheric pressure, has a higher calorific value (46 MJ/m 3 equivalent to 12.8 kWh/m 3) than natural gas (methane) (38 MJ/m 3 equivalent to 10.6 kWh/m 3), which means that LPG cannot simply be substituted for ...

  7. Talk:Butane - Wikipedia

    en.wikipedia.org/wiki/Talk:Butane

    Does anyone have a pressure/temperature chart or table for Butane? If so, could it be added to this page? Vapor pressure for n-Butane is 2.05 atm (NIOSH) National Institute for Occupational Safety and Health. (2005, Sept). NIOSH Pocket Guide to Chemical Hazards. pg 35. Publication No. 2005-149.

  8. DePriester chart - Wikipedia

    en.wikipedia.org/wiki/DePriester_chart

    DePriester Charts provide an efficient method to find the vapor-liquid equilibrium ratios for different substances at different conditions of pressure and temperature. The original chart was put forth by C.L. DePriester in an article in Chemical Engineering Progress in 1953.

  9. Propane, butane, and LPG container valve connections

    en.wikipedia.org/wiki/Propane,_butane,_and_LPG...

    Several types of valve connections for propane, butane, and LPG containers exist for transport and storage, sometimes with overlapping usage and applications, and there are major differences in usage between different countries. Even within a single country more than one type can be in use for a specific application.

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