Two iron bolts of equal mass—one at 100.°C, the other at

Chapter 5, Problem 26P

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QUESTION: Problem 26P

Two iron bolts of equal mass—one at 100.°C, the other at 55°C—are placed in an insulated container. Assuming the heat capacity of the container is negligible, what is the final temperature inside the container (c of iron = 0.450 J/g·K)?

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QUESTION: Problem 26P

Two iron bolts of equal mass—one at 100.°C, the other at 55°C—are placed in an insulated container. Assuming the heat capacity of the container is negligible, what is the final temperature inside the container (c of iron = 0.450 J/g·K)?

ANSWER:

Solution 26P:

Here, we are going to calculate the final temperature inside the container.

Step 1:

The heat capacity is directly related with the temperature change.

Where c is the heat capacity, q is the heat absorbed by the object

m is the mass of the object

 is the change in temperature =(

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