k. Comment on the AH values for the reaction of HCl + NaOH (65.8 kJ/mol) and of HNO, + NaOH (56.1 kJ/mol). Compare them with the literature value. Explain the difference.
k. Comment on the AH values for the reaction of HCl + NaOH (65.8 kJ/mol) and of HNO, + NaOH (56.1 kJ/mol). Compare them with the literature value. Explain the difference.
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter5: Gases, Liquids, And Solids
Section: Chapter Questions
Problem 5.37P: 5-37 A sample of a gas at 77°C and 1.33 atm occupies a volume of 50.3 L. (a) How many moles of the...
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Transcribed Image Text:k. Comment on the AH values for the reaction of HCl + NaOH (65.8 kJ/mol) and of HNO,
+ NaOH (56.1 kJ/mol). Compare them with the literature value. Explain the difference.
![2. Calculations and Results (Use correct number of significant figures)
HCl + NAOH
HNO, + NaOH
Trial 1
Trial 2
Trial 1
Trial 2
a. Average initial temperature
of acid and NAOH [°C]
20.3
20.4
20.45
20.45
b. Change in temperature, AT
[°C]
7.8
8.1
6.55
6.75
C. Volume of final mixture [mL]
100.5
99.60
100.1
99.3
d. Density of the solution at the
final temperature* [g/mL]
0.99814
0.998123
0.998102
0.998102
43
3
2
e. Mass of final mixture [lg]
100.3
99.41
99.91
99.11
f. Specific heat of mixture [J g
4.18
4.18
g. Heat produced by the
reaction [J]
3270.2
3873.1
2735.4
2796.4
h. Moles of OH reacted (the
limiting reactant) [mol]
0.0485
0.0497
0.0488
0.0489
i.
Moles of H.O formed [mol]
0.0497
0.0485
0.0488
0.0489](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdcd1609e-2385-4a24-88bc-c1528e231024%2F3e099548-d1dc-46b9-9780-fde8cb211f0a%2Fs22rwt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. Calculations and Results (Use correct number of significant figures)
HCl + NAOH
HNO, + NaOH
Trial 1
Trial 2
Trial 1
Trial 2
a. Average initial temperature
of acid and NAOH [°C]
20.3
20.4
20.45
20.45
b. Change in temperature, AT
[°C]
7.8
8.1
6.55
6.75
C. Volume of final mixture [mL]
100.5
99.60
100.1
99.3
d. Density of the solution at the
final temperature* [g/mL]
0.99814
0.998123
0.998102
0.998102
43
3
2
e. Mass of final mixture [lg]
100.3
99.41
99.91
99.11
f. Specific heat of mixture [J g
4.18
4.18
g. Heat produced by the
reaction [J]
3270.2
3873.1
2735.4
2796.4
h. Moles of OH reacted (the
limiting reactant) [mol]
0.0485
0.0497
0.0488
0.0489
i.
Moles of H.O formed [mol]
0.0497
0.0485
0.0488
0.0489
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