The formula used to find the calories in a vaporization/condensation change is: Heat gained or lost = heat of vaporization x mass. ABBREVIATIONS M= mass in grams SpH. = specific heat in cal/g/C Cal.= calories T= temperature in degrees Celsius - SpH of ice = .5, liquid water = 1,water vapor= .5, mercury= .03 glass= .20, Heat of fusion of water= 80 cal/g Heat of vaporization of water= 540 cal/g Example of Problem A four step problem -
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The formula calories The formula used to find the calories in a vaporization/condensation change Heat Heat of fusion of water=
used temperature is gained g
to find the calories in a vaporization/condensation change
L:in degrees
Heat gained or lost = heat of vaporization x mass
Heat of vaporization of water= 540 cal/g Example of Problem A four step problem