(a)
Interpretation:
The amount of heat energy needed to heat
Concept introduction:
The specific heat is the amount of heat energy needed to raise the temperature of
(a)
Answer to Problem 4.76AP
The amount of energy needed to heat water is
The heat needed to vaporize the water is
Explanation of Solution
The amount of energy needed to heat water:
Given,
The mass of water is
The specific heat of water is
The temperature at initial
The temperature at final
The heat of vaporization of water is
The change in temperature
The amount of energy needed to heat water can be given as,
The amount of energy needed to heat water is
The heat needed to vaporize:
The heat needed to vaporize the water can be calculated as,
The heat needed to vaporize the water is
(b)
Interpretation:
The amount of heat energy released when
Concept introduction:
Refer to part (a).
(b)
Answer to Problem 4.76AP
The amount of energy released when water is condensed is
The amount of heat energy released when
Explanation of Solution
The amount of heat energy released when
Given,
The mass of water is
The specific heat of water is
The temperature at initial
The temperature at final
The heat of fusion of water is
The change in temperature
The amount of energy released when water is condensed can be given as,
The energy in
The amount of energy released when water is condensed is
The amount of energy released when water if frozen to ice can be calculated as,
The amount of energy needed to froze can be given as,
The amount of heat energy released when
The energy in
The amount of heat energy released when
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