Answer to Question #133187 in General Chemistry for Javier

Question

Using the values for the heat of fusion, specific heat of water, and/or heat of vaporization, calculate the amount of heat energy in each of the following.

kilocalories needed to melt 30g of ice at 0∘C, to warm the liquid to 100∘C , and to vaporize it at 100∘C

Answer 1

Q=mc∆T = 30 x 4.8 x 100 = 14400 J= 3.4 kilocalories