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.
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Answer:
720
Explanation:
40:180
50:270
60:360
70:450
80:540
90:630
100:720
The rate is 1.6% annual change.
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Explanation:
