Question

1. How much heat must be removed from 5.0g of water at 10℃ to become ice at 0℃?
2. During exercise, a person "burns" 180 kcal of heat by evaporating of water from skin. How much water was evaporated? The latent heat of vaporization of water at 37℃ is 580 cal/g.
3. How much heat is given off when 3.9 g of steam condenses and becomes water at 95℃?

Answer 1

Explanation:

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