Suppose a 30-gram piece of iron is dropped into a container of water and gives off 165 calories in cooling. Calculate the iron’s temperature change.
The change in temperature of iron.
Answer to Problem 26A
The change in temperature of iron piece is
Explanation of Solution
Given:
Mass of iron piece,
The number of calories lose by iron to water is
Formula Used:
The heat transfer in calories is given by,
Where,
Calculation:
As, the specific heat capacity of iron is
Now, putting the values in heat transfer equation
Conclusion:
Therefore, the change in temperature of iron piece is
Chapter 21 Solutions
Conceptual Physics: The High School Physics Program
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