Two copper bolts of equal mass - one at 122°C, the other at 57°C - are placed in an insulated container. Assuming the heat capacity of the container is negligible, what is the final temperature (in °C) inside the container (c of copper 0.387 J/gK)? Enter a number to 1 decimal place.
Two copper bolts of equal mass - one at 122°C, the other at 57°C - are placed in an insulated container. Assuming the heat capacity of the container is negligible, what is the final temperature (in °C) inside the container (c of copper 0.387 J/gK)? Enter a number to 1 decimal place.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Two copper bolts of equal mass - one at 122°C, the other at 57°C - are placed in an insulated
container. Assuming the heat capacity of the container is negligible, what is the final temperature (in
°C) inside the container (c of copper 0.387 J/gK)? Enter a number to 1 decimal place.
Expert Solution
Step 1
There are two heat transfers involved:
Heat absorbed by 2 = heat alost by 1
Hence, q1+ q2 = 0
Since, mass and specific heat are same
∆T1 +∆T2 = 0
(Tf -122)+(Tf-57) = 0
So, Tf = 122+57/2
= 89.5°C
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