Concept explainers
If 20 grams of hot water at
The final temperature of the water in a cavity. Amount of ice melts.
Answer to Problem 56A
The temperature of water is 0
The amount of ice melt is 20 grams.
Explanation of Solution
Given:
Mass of water is 20 grams.
Temperature of hot water is
Temperature of very large block of ice is
Formula used:
The heat involved is,
Where,
s is specific heat capacity of water, 1 calorie/gram/
Also,
M is mass of ice melted.
L is latent heat of vaporization of water, 80 calories/gram.
Calculation:
The size of ice block is very large due to which the final temperature of water will be 0
Heat lost by the water during cooling from 80
Heat gained by ice block is
According to thermodynamics, amount of heat lost by water is equals to the amount of heat gained by ice.
Conclusion:
Therefore, final temperature of water will be 0
Chapter 23 Solutions
Conceptual Physics: The High School Physics Program
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