From personal advice to professional guidance, IDNLearn.com has the answers you seek. Get prompt and accurate answers to your questions from our community of knowledgeable experts.

Chlorofluorocarbons (cfcs) such as cf2cl2 are refrigerants whose use has been phased out because of their destructive effect on earth's ozone layer. The standard enthalpy of evaporation of cf2cl2 is 17. 4 kj/mol, compared with δh°vap = 41 kj/mol for liquid water.