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  2. Dichlorofluoromethane - Wikipedia

    en.wikipedia.org/wiki/Dichlorofluoromethane

    Dichlorofluoromethane or Freon 21 or R 21 is a halomethane or hydrochlorofluorocarbon with the formula CHCl 2 F. It is a colorless and odorless gas. It is a colorless and odorless gas. It is produced by fluorination of chloroform using a catalyst such as antimony trifluoride : [ 4 ]

  3. 1,1-Dichloro-1-fluoroethane - Wikipedia

    en.wikipedia.org/wiki/1,1-dichloro-1-fluoroethane

    1,1-Dichloro-1-fluoroethane is a haloalkane with the formula C 2 H 3 Cl 2 F. It is one of the three isomers of dichlorofluoroethane. It belongs to the hydrochlorofluorocarbon (HCFC) family of man-made compounds that contribute significantly to both ozone depletion and global warming when released into the environment.

  4. Dichlorodifluoromethane - Wikipedia

    en.wikipedia.org/wiki/Dichlorodifluoromethane

    Dichlorodifluoromethane (R-12) is a colorless gas popularly known by the genericized brand name Freon (as Freon-12).It is a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant.

  5. Lists of physics equations - Wikipedia

    en.wikipedia.org/wiki/Lists_of_physics_equations

    In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.

  6. 2,2-Dichloro-1,1,1-trifluoroethane - Wikipedia

    en.wikipedia.org/wiki/2,2-Dichloro-1,1,1-trifluo...

    2,2-Dichloro-1,1,1-trifluoroethane or HCFC-123 is considered as an alternative to CFC-11 in low pressure refrigeration and HVAC systems, and should not be used in foam blowing processes or solvent applications.

  7. Chlorodifluoromethane - Wikipedia

    en.wikipedia.org/wiki/Chlorodifluoromethane

    Chlorodifluoromethane or difluoromonochloromethane is a hydrochlorofluorocarbon (HCFC). This colorless gas is better known as HCFC-22, or R-22, or CHClF 2.It was commonly used as a propellant and refrigerant.

  8. List of physics mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_physics_mnemonics

    A Magic Triangle image mnemonic - when the terms of Ohm's law are arranged in this configuration, covering the unknown gives the formula in terms of the remaining parameters. It can be adapted to similar equations e.g. F = ma, v = fλ, E = mcΔT, V = π r 2 h and τ = rF sinθ.

  9. Category:Hydrochlorofluorocarbons - Wikipedia

    en.wikipedia.org/wiki/Category:Hydro...

    Download as PDF; Printable version; In other projects Wikimedia Commons; ... Dichlorofluoromethane; 2,2-Dichloro-1,1,1-trifluoroethane This page was ...