In order to melt two grams of ice,how many calories of heat energy must be added to the ice during its phase change? (specific heat of water = 1 cal/gm heat of fusion = 80 cal/g)(heat of vaporization = 540 cal/g heat of sublimation = 620 cal/g)
A)2 cal
B)160 cal
C)162 cal
D)1080 cal
E)1440 cal

Question

Quizplus · Accepted Answer

To melt ice, you need to use the heat of fusion. For 2 grams of ice, the energy required is 2 grams * 80 cal/g = 160 calories.

In Order to Melt Two Grams of Ice,how Many Calories