The heat of vaporization of water is 540 cal/g. What mass of water at 100°C can be vaporized by the addition of 45.0 kcal of heat?

Name: The heat of vaporization of water is 540 cal/g. What mass of water at 100°C can be vaporized by the addition of 45.0 kcal of heat?
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Quizplus · Accepted Answer

To find the mass of water that can be vaporized, divide the total heat added (45.0 kcal) by the heat of vaporization (540 cal/g). Convert 45.0 kcal to cal (45,000 cal) and then divide: 45,000 cal / 540 cal/g = 83.3 g.

The Heat of Vaporization of Water Is 540 Cal/g