You must use the Temperature bar just like in the homework problems to indicate where the initial and final temperatures are located.Failure to do so will result in a 1 point reduction in grade...even if answer is correct.
200 g of ethyl alcohol is vapor at 108.5 degrees Celsius. How much heat in units of Kcal must we remove to cause all of the mass to become frozen at -127 degrees Celsius?
Q = [x] _____________ kcal
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