1 atm = 1.01 x105 Pa = 1.01 bar = 760 torr 1 L atm = 101.3 J R = 0.08206 L?atm/mol?K = 8.314 J/mol?K h = 6.626 x10-34 J?s c = 2.998 x108 m/s NA = 6.022 x1023 mol-1 Specific Heat Capacities Heat of Fusion (?Hfus) Heat of Vaporization (?Hvap) H2O(s): 2.06 J/g?K H2O: 333 J/g H2O: 2256 J/g H2O(l): 4.184 J/g?K H2O(g): 1.86 J/g?K ???? = ?????? (?? + ?? ? ?? ?? ? 2 )(?? ? ????) = ?????? ???? = ???????????????? ???? ? ??2 ??1 ? = ? ????????? ?? ? 1 ??2 ? 1 ??1 ? ????????1 ????????2 = ? ??2 ??1 ?? = ?? ?? = ??? 1 ?? = ??? ? 1 ???? 2 ? 1 ???? 2? ?? = ? ???? ?? = ???????? ?? = ?????? ?? = ???????? ???? ?????????????? + ?????????????????????????? = 0 ???????? = ???????? ???? = ?? + ?? ?? = ??? ????