Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 76E: Write reactions for which the enthalpy change will be a. Hf for solid aluminum oxide. b. the...
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I just want to make sure if my work is correct. I also need help answering questions 5 and 6 on the last page. Please and thank you.
Expert Solution
Step 1
1,2,3 and 4 is correct.
5. Sources of error
a. At the time of measuring weight , fault in digital device.
b. Spilling of salt and liquid.
c. Leak in CALORIMETER.
d. Not stirring solution too well.
e. Incorrect reading of thermometer.
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