{"id":510,"date":"2013-11-22T06:27:13","date_gmt":"2013-11-22T04:27:13","guid":{"rendered":"https:\/\/wissen.science-and-fun.de\/chemistry\/?page_id=510"},"modified":"2013-11-22T06:27:14","modified_gmt":"2013-11-22T04:27:14","slug":"refrigerant","status":"publish","type":"page","link":"https:\/\/wissen.science-and-fun.de\/chemistry\/chemistry\/refrigerant\/","title":{"rendered":"Refrigerant"},"content":{"rendered":"

Aqueous salt solutions (100 g H\u00a0<\/span>2<\/sub>\u00a0O + x g salt)<\/span><\/h2>\n
\n\n\n\n\n\n\n\n\n\n
Salt<\/td>\nx<\/td>\nt in \u00b0 C<\/td>\nSalt<\/td>\nx<\/td>\nt in \u00b0 C<\/td>\n<\/tr>\n
CH3<\/sub>COONa * H2<\/sub>O<\/td>\n85<\/td>\n-4.7<\/td>\nNH4<\/sub>Cl<\/td>\n30<\/td>\n-5.0<\/td>\n<\/tr>\n
NaNO3<\/sub><\/td>\n75<\/td>\n-5.3<\/td>\nNa2<\/sub>S2<\/sub>O\u00a03<\/sub>
\n* 5 H2<\/sub>O.<\/sub><\/td>\n		110<\/td>\n-8.0<\/td>\n<\/tr>\n
KCl<\/td>\n25<\/td>\n-12.0<\/td>\nNH4<\/sub>Cl + NaNO3<\/sub><\/td>\n30 + 30<\/td>\n-12.0<\/td>\n<\/tr>\n
CaCl2<\/sub>\u00a0* 6H2<\/sub>O<\/td>\n250<\/td>\n-12.5<\/td>\nNH4<\/sub>NO3<\/sub><\/td>\n100<\/td>\n-14.0<\/td>\n<\/tr>\n
NaNO2<\/sub><\/td>\n60<\/td>\n-17.0<\/td>\nNH4<\/sub>SCN<\/td>\n130<\/td>\n-18.0<\/td>\n<\/tr>\n
NH4<\/sub>Cl + NaNO3<\/sub><\/td>\n100 + 100<\/td>\n-20.0<\/td>\nKSCN<\/td>\n200<\/td>\n-24.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ice-salt mixtures (100g Ice + xg salt)<\/p>\n\n\n\n\n\n\n\n\n\n
Salt<\/td>\nx<\/td>\nt in \u00b0 C<\/td>\nSalt<\/td>\nx<\/td>\nt in \u00b0 C<\/td>\n<\/tr>\n
CaCl2<\/sub>\u00a0* 6H2<\/sub>O<\/td>\n43<\/td>\n-9.0<\/td>\nKCl<\/td>\n33<\/td>\n-11.0<\/td>\n<\/tr>\n
NH4<\/sub>Cl<\/td>\n25<\/td>\n-15.0<\/td>\nNH4<\/sub>NO3<\/sub><\/td>\n67<\/td>\n-17.0<\/td>\n<\/tr>\n
NaNO3<\/sub><\/td>\n59<\/td>\n-18.0<\/td>\n(NH4)2<\/sub>SO4<\/sub><\/td>\n62<\/td>\n-19.0<\/td>\n<\/tr>\n
NaCl<\/td>\n33<\/td>\n-20.0<\/td>\nCaCl2<\/sub>\u00a0* 6H2<\/sub>O<\/td>\n82<\/td>\n-22.0<\/td>\n<\/tr>\n
MgCl2<\/sub>\u00a0* 6H2<\/sub>O<\/td>\n67<\/td>\n-27.0<\/td>\nKCl<\/td>\n100<\/td>\n-30.0<\/td>\n<\/tr>\n
CaCl2<\/sub>\u00a0* 6H\u00a02<\/sub>\u00a0O<\/td>\n122<\/td>\n-40.0<\/td>\nCaCl2<\/sub>\u00a0* 6H2<\/sub>O<\/td>\n160<\/td>\n-55.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Dry ice mixtures<\/p>\n\n\n\n\n\n\n\n\n\n\n
Liquid<\/td>\nt in \u00b0 C<\/td>\n<\/tr>\n
Methanol<\/td>\n-71<\/td>\n<\/tr>\n
Ethanol (87.5%)<\/td>\n-53<\/td>\n<\/tr>\n
Ethanol (85.5%)<\/td>\n-68<\/td>\n<\/tr>\n
Ethanol absolute<\/td>\n-72<\/td>\n<\/tr>\n
Diethyl ether<\/td>\n-75<\/td>\n<\/tr>\n
Chloroform<\/td>\n-77<\/td>\n<\/tr>\n
Acetone<\/td>\n-86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Liquid gases<\/p>\n\n\n\n\n\n\n
Gas<\/td>\nt in \u00b0 C<\/td>\n<\/tr>\n
Air<\/td>\n-185<\/td>\n<\/tr>\n
Nitrogen<\/td>\n-195<\/td>\n<\/tr>\n
Hydrogen<\/td>\n-252<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Aqueous salt solutions (100 g H\u00a02\u00a0O + x g salt) Salt x t in \u00b0 C Salt x t in \u00b0 C CH3COONa * H2O 85 -4.7 NH4Cl 30 -5.0 NaNO3 75 -5.3 Na2S2O\u00a03 * 5 H2O. 110 -8.0 KCl 25 -12.0 NH4Cl + NaNO3 30 + 30 -12.0 CaCl2\u00a0* 6H2O 250 -12.5 NH4NO3 100 … <\/p>\n

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