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  2. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits. If there are carbon-carbon multiple bonds, there are four digits in all: the number of these bonds is the first digit and the number of carbon atoms minus one (C-1) is next ...

  3. Category:Refrigerants - Wikipedia

    en.wikipedia.org/wiki/Category:Refrigerants

    Pages in category "Refrigerants" The following 82 pages are in this category, out of 82 total. This list may not reflect recent changes. ...

  4. Refrigerant - Wikipedia

    en.wikipedia.org/wiki/Refrigerant

    A refrigerant is a working fluid used in cooling, heating or reverse cooling and heating of air conditioning systems and heat pumps where they undergo a repeated phase transition from a liquid to a gas and back again. Refrigerants are heavily regulated because of their toxicity and flammability [1] and the contribution of CFC and HCFC ...

  5. List of UN numbers 1001 to 1100 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_1001_to...

    n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [2]

  6. List of gases - Wikipedia

    en.wikipedia.org/wiki/List_of_gases

    This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately.

  7. 10 Overrated Foods People Are Pretending to Enjoy - AOL

    www.aol.com/10-overrated-foods-people-pretending...

    3. Foie Gras. Foie gras is probably the ultimate starter-pack item for acting like a rich person, and the one food item that chefs love to cook to appeal to said rich people.Redditors on the other ...

  8. These are the 20 best Cyber Monday deals under $100 at Walmart

    www.aol.com/these-are-the-best-cyber-monday...

    We're pretty sure you can find something in the below list just for you. Quick Overview. T-fal Kitchen Solutions, 22 Piece Non-Stick Pots and Pans Cookware Set, Black for $50 ($80 off)

  9. Hydrofluorocarbon - Wikipedia

    en.wikipedia.org/wiki/Hydrofluorocarbon

    Most are gases at room temperature and pressure. They are frequently used in air conditioning and as refrigerants ; R-134a (1,1,1,2-tetrafluoroethane) is one of the most commonly used HFC refrigerants .

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