posted by Aidan .
Calculate the quantity of heat gained or lost:
a) 3.50 mol H2O freezes at 0.0 oC
b) 0.44 mol of steam condenses at 100 oC
3.50 x molar mass = grams H2O.
q = grams H2O x heat fusion.
0.44 moles H2O x molar mass = ?? grams steam.
q = mass steam x heat vaporization.