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Concept explainers
(a)
The heat required to raise the ice to
(a)
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Answer to Problem 3SP
The heat required to raise the ice to
Explanation of Solution
Given info: The mass of ice is
Write the expression for heat in terms of specific heat capacity
Here,
Write the expression for change in temperature
Here,
Substitute equation (2) in (1)
Substitute
Conclusion:
The heat required to raise the ice to
(b)
The additional heat required to completely melt ice.
(b)
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Answer to Problem 3SP
The additional heat required to completely melt ice is
Explanation of Solution
Given info: The mass of ice is
Write the expression for heat in terms of latent heat capacity
Here,
Substitute
Conclusion:
The additional heat required to completely melt ice is
(c)
The heat required to raise the temperature of water to
(c)
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Answer to Problem 3SP
The heat required to raise the temperature of water to
Explanation of Solution
Given info: The mass of ice is
Write the expression for heat in terms of specific heat capacity
Here,
Write the expression for change in temperature
Here,
Substitute equation (2) in (1)
Substitute
Conclusion:
The heat required to raise the temperature of water to
(d)
The total heat required to convert ice at
(d)
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Answer to Problem 3SP
The total heat required to convert ice at
Explanation of Solution
Given info: The mass of ice is
The total heat will be the sum of the heat required to rise the temperature of ice from
Substitute
Conclusion:
The total heat required to convert ice at
(e)
Which takes more energy in the processes mentioned in part a, b, c.
(e)
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Answer to Problem 3SP
Melting of ice completely takes high energy of
Explanation of Solution
Given info: The mass of ice is
The heat required to raise the temperature from
In which more heat is consumed for the intermediate process, which is melting of ice.
Conclusion:
Melting of ice completely takes high energy of
(f)
To explain whether we can find this total heat simply by computing how much heat is required to melt the ice and adding the amount of heat required to raise the temperature of
(f)
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Answer to Problem 3SP
No, before melting the temperature of ice should from
Explanation of Solution
Given info: The mass of ice is
Three processes are takes place in the conversion of ice to water. Fist ice should be raised from its initial temperature to
In different stages, the heat capacity will be different. In the intermediate stage during phase change it is required to consider the latent heat of fusion.
Conclusion:
No, before melting the temperature of ice should from
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Chapter 10 Solutions
Physics of Everyday Phenomena
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