occupies the region of the atom surrounding the nucleus. Save Question 10 (4 poi

Question

occupies the region of the atom surrounding the nucleus. Save Question 10 (4 points) If the heat of vaporization for water is 540 cal/g, how many kilocalories are released when 5.00 g of steam is converted to liquid at 100°c? O 540 kcal 5.0 kcal O 110 kcal O 2.7 kca 5.4 kcal Save Question 11 (4 points) A slice of pizza contains 28 g of carbohydrate, 13 g of protein and an unknown amount of fat. If the pizza containg 280 kcal, how many grams of fat are present? Table 6.3 Caloric Values for the Three Food Types

Explanation / Answer

DHvap of water = 540 cal/g

mass of water(m) = 5 g

heat released(q) = DHvap*m

                 = 540*5

                 = 2700 cal

                 = 2.7 kcal

answer:   2.7 kcal

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