February 20, 2017

Homework Help: Chemistry

Posted by Kay on Sunday, November 6, 2011 at 1:29pm.

CFCs such as CF2Cl2 are refrigerants whose use has been phased out because their destructive effect on Earth's ozone layer. The standard enthalpy of evaporation of CF2Cl2 is 17.4 kJ/mol, compared with change in H(vapor)=41kJ/mol for liquid water. How many grams of liquid CF2Cl2 are needed to cool 130.8g of water from 49.4 to 29.4 Celcius? The specific heat of water is 4.184 J/(g*C)

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions