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:DATA AND CALCULATIONS
Reaction 2
Reaction 3
Reaction 1
(no solid NaoH)
2154
100. 154
a8.5
Mass of NaOH solid
100
t00.061
34.8
d1.9
Mass (total) of solution
6.
9.
6.
°C
33.3
°C
Final temperature, T2
°C
av.
°C
al. 7
Initial temperature, T
°C
°C
CALCULATIONS
temperature change, AT
6.7
°C
la. 9
°C
I1.6
°C
kJ -5395.489 k-4848.8
-ag04.913
a804.913 k- $395.499 KJ|-4848.8
Heat, q
kJ
ΔΗ
k)
Moles of NaOH
0.054
mol
0.0515
0.05
mol
mol
AH/mol
-51,942.83k)/mol-104 96.70kJ/mol-96 976 kJ/mol
Experimental value
kJ/mol
Accepted value
k)/mol
Percent error
%
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