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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Question
If 7.5 g of KBr were dissolved in 100. g of water, how much heat (kJ) was involved? (2 Significant Figures)
Transcribed Image Text:Temperature Change Curve of KBr Dissolved in Water
so
30
25
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15
10
20
40
60
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120
Time, sec
Temperature, oc
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Look at the graph and select the change in temperature (ΔT) of the KBr salt dissolving.
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