Answer to Question #63689 in Physics for Jayj

Question #63689
A substance has the following properties; Boiling Point = 140 °C, Freezing Point = -10 °C, specific heat as a gas, liquid and solid, 0.3 cal/g.C°, 1.8 cal/g.C° and 0.8 cal/g.C° respectively. Heat of fusion =100 cal/g and heat of vaporization = 480 cal/g. How much heat must be removed in changing 20g of this substance at 150 °C to -30 °C?
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Expert's answer
2016-12-04T06:54:09-0500
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