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  2. Adiabatic process - Wikipedia

    en.wikipedia.org/wiki/Adiabatic_process

    The model assumptions are: the uncompressed volume of the cylinder is one litre (1 L = 1000 cm 3 = 0.001 m 3); the gas within is the air consisting of molecular nitrogen and oxygen only (thus a diatomic gas with 5 degrees of freedom, and so γ = ⁠ 7 / 5 ⁠); the compression ratio of the engine is 10:1 (that is, the 1 L volume of uncompressed ...

  3. Atmospheric distillation of crude oil - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_distillation...

    The pressure at the top is maintained at 1.2–1.5 atm [2] so that the distillation can be carried out at close to atmospheric pressure, and therefore it is known as the atmospheric distillation column. [3] The vapors from the top of the column are a mixture of hydrocarbon gases and naphtha, at a temperature of 120 °C–130 °C.

  4. Distillation - Wikipedia

    en.wikipedia.org/wiki/Distillation

    This causes the boiling point of the mixture to rise, which results in a rise in the temperature in the vapor, which results in a changing ratio of A : B in the gas phase (as distillation continues, there is an increasing proportion of B in the gas phase). This results in a slowly changing ratio of A : B in the distillate.

  5. Dry distillation - Wikipedia

    en.wikipedia.org/wiki/Dry_distillation

    Dry distillation is the heating of solid materials to produce gaseous products (which may condense into liquids or solids). The method may involve pyrolysis or thermolysis, or it may not (for instance, a simple mixture of ice and glass could be separated without breaking any chemical bonds, but organic matter contains a greater diversity of molecules, some of which are likely to break).

  6. Adipic acid - Wikipedia

    en.wikipedia.org/wiki/Adipic_acid

    Structural formula of the adipate dianion. The anionic (HO 2 C(CH 2) 4 CO 2 −) and dianionic (− O 2 C(CH 2) 4 CO 2 −) forms of adipic acid are referred to as adipates. An adipate compound is a carboxylate salt or ester of the acid. Some adipate salts are used as acidity regulators, including: Sodium adipate (E number E356) Potassium ...

  7. Degassing - Wikipedia

    en.wikipedia.org/wiki/Degassing

    The solubility of gas obeys Henry's law, that is, the amount of a dissolved gas in a liquid is proportional to its partial pressure. Therefore, placing a solution under reduced pressure makes the dissolved gas less soluble. Sonication and stirring under reduced pressure can usually enhance the efficiency.

  8. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  9. Gas separation - Wikipedia

    en.wikipedia.org/wiki/Gas_separation

    Gas separation can refer to any of a number of techniques used to separate gases, either to give multiple products or to purify a single product. Swing adsorption techniques [ edit ]