Chemistry
posted by Shelby .
How much heat, in Kj, is required to melt 11.0g of ice, at 13.0 degrees C, and vaporize the H20, and rise the temperature of the steam to 114 degrees C. Need help. Anyone, please!

Chemistry 
DrBob222
You need two formulas.
q needed within a phase is
[mass x specific heat in that phase x (TfinalTinitial)].
For example to change T of 100 g liquid water at zero C to liquid water at 100 will require q = [100 x 4.184 x (1000) = ?
q needed at a phase change is
[mass x heat fusion] at melting point or
[mass x heat vaporization] at boiling point.
Then add all of the q values for each phase change and each move in T within a phase together for the total.
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