posted by Eric .
Kilocalories to condense 82g of steam at 100 degress C, cool the liquid and freeze it at 0 degress C.
What is it about this you don't understand? These are straighforward formulas.
The subject "college" does not do you justice. Is this chemistry? Physics? General Science? The questions your are posting are very elementary high school chemistry questions.
Please post your correct subject, so that tutors don't have to search for the right questions. Tutors are subject specific.