Concept explainers
The energy required to transform an ice cube to steam.
Answer to Problem 27PQ
The energy required to transform an ice cube to steam is
Explanation of Solution
Given that the mas of the ice is
The energy required to transform ice to steam is to be found. It is the sum of the energy required to reach the melting point, energy required to melt the ice, energy required to reach the boiling point, energy required to vaporize the water, and the energy required to raise the temperature of the vapour to
Write the expression for energy required to reach the melting point of the ice.
Here,
Write the expression for energy required for the melting of ice.
Here,
Write the expression for the energy required to reach the boiling point of water.
Here,
Write the expression for the energy required to vaporize the water at its boiling point.
Here,
Write the expression for the heat energy required to raise the vapour to
Here,
Write the expression for the total energy required to transform the ice to steam.
Conclusion:
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Therefore, the energy required to transform an ice cube to steam is
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Chapter 21 Solutions
Physics for Scientists and Engineers: Foundations and Connections
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