An electrical heater is used to supply 105.0 J of energy to a 15.0 g sample of aluminum (specific heat is 0.901 J/(goC), originally at 295.0 Kelvin. Determine the final temperature in Kelvin.
An electrical heater is used to supply 105.0 J of energy to a 15.0 g sample of aluminum (specific heat is 0.901 J/(goC), originally at 295.0 Kelvin. Determine the final temperature in Kelvin.
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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An electrical heater is used to supply 105.0 J of energy to a 15.0 g sample of aluminum (specific heat is 0.901 J/(goC), originally at 295.0 Kelvin. Determine the final temperature in Kelvin.
Expert Solution
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Step 1
The heat supplied to a sample of aluminium is 105 J. The final temperature is calculated as,
![Q mCAT
x C x AT
Q m
105 J 15 g x 0.901 J g-1 °C-1x AT
AT = 7.76 °C](https://content.bartleby.com/qna-images/answer/d6ad3f10-0fcd-4fc0-a30c-c54d5b55fee0/324482b1-0686-4d00-b53d-fc195a56f768/hh8jdl4.png)
Step 2
Converting the value in Kelvin,
![AT
7.76 °C =2737.76 = 280.73 K
AT Tfinal - Tinitial
280.73 Tfinal-295
Tfinal 575.73 K](https://content.bartleby.com/qna-images/answer/d6ad3f10-0fcd-4fc0-a30c-c54d5b55fee0/324482b1-0686-4d00-b53d-fc195a56f768/y82u9ml.png)
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