Chemistry: An Atoms-Focused Approach
14th Edition
ISBN: 9780393912340
Author: Thomas R. Gilbert, Rein V. Kirss, Natalie Foster
Publisher: W. W. Norton & Company
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Question: Find both the b (gradient) and a (y-intercept) value from the list of data below:
(x1 -x̄)
370.5
(y1 - ȳ)
5.240
(x2 - x̄)
142.5
(y2 - ȳ)
2.004
(x3 - x̄)
28.5
(y3 - ȳ)
0.390
(x4 - x̄)
-85.5
(y4 - ȳ)
-1.231
(x5 - x̄)
-199.5
(y5 - ȳ)
-2.829
(x6 - x̄)
-256.5
(y6 - ȳ)
-3.575
Calculating standard reaction free energy from standard reduction...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG° for the following redox reaction.
Be sure your answer has the correct number of significant digits.
3Cu+ (aq) + Cro²¯ (aq) +4H₂O (1) → 3Cu²+ (aq) +Cr(OH)3 (s)+5OH˜¯ (aq)
0
kJ
☐ x10
00.
18
Ar
Calculating the pH of a weak base titrated with a strong acid
An analytical chemist is titrating 241.7 mL of a 0.4900M solution of methylamine (CH3NH2) with a 0.7800M solution of HNO3. The pK of methylamine is
3.36. Calculate the pH of the base solution after the chemist has added 17.7 mL of the HNO3 solution to it.
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution added.
Round your answer to 2 decimal places.
pH
=
☑
?
18
Ar
Chapter 3 Solutions
Chemistry: An Atoms-Focused Approach
Ch. 3 - Prob. 3.10VPCh. 3 - Prob. 3.11VPCh. 3 - Prob. 3.12VPCh. 3 - Prob. 3.13QACh. 3 - Prob. 3.14QACh. 3 - Prob. 3.15QACh. 3 - Prob. 3.16QACh. 3 - Prob. 3.17QACh. 3 - Prob. 3.18QACh. 3 - Prob. 3.19QA
Ch. 3 - Prob. 3.20QACh. 3 - Prob. 3.21QACh. 3 - Prob. 3.22QACh. 3 - Prob. 3.23QACh. 3 - Prob. 3.24QACh. 3 - Prob. 3.25QACh. 3 - Prob. 3.26QACh. 3 - Prob. 3.27QACh. 3 - Prob. 3.28QACh. 3 - Prob. 3.29QACh. 3 - Prob. 3.30QACh. 3 - Prob. 3.31QACh. 3 - Prob. 3.32QACh. 3 - Prob. 3.33QACh. 3 - Prob. 3.34QACh. 3 - Prob. 3.35QACh. 3 - Prob. 3.36QACh. 3 - Prob. 3.37QACh. 3 - Prob. 3.38QACh. 3 - Prob. 3.39QACh. 3 - Prob. 3.40QACh. 3 - Prob. 3.41QACh. 3 - Prob. 3.42QACh. 3 - Prob. 3.43QACh. 3 - Prob. 3.44QACh. 3 - Prob. 3.45QACh. 3 - Prob. 3.46QACh. 3 - Prob. 3.47QACh. 3 - Prob. 3.48QACh. 3 - Prob. 3.49QACh. 3 - Prob. 3.50QACh. 3 - Prob. 3.51QACh. 3 - Prob. 3.52QACh. 3 - Prob. 3.53QACh. 3 - Prob. 3.54QACh. 3 - Prob. 3.55QACh. 3 - Prob. 3.56QACh. 3 - Prob. 3.58QACh. 3 - Prob. 3.59QACh. 3 - Prob. 3.60QACh. 3 - Prob. 3.61QACh. 3 - Prob. 3.62QACh. 3 - Prob. 3.63QACh. 3 - Prob. 3.64QACh. 3 - Prob. 3.65QACh. 3 - Prob. 3.66QACh. 3 - Prob. 3.67QACh. 3 - Prob. 3.68QACh. 3 - Prob. 3.69QACh. 3 - Prob. 3.70QACh. 3 - Prob. 3.71QACh. 3 - Prob. 3.72QACh. 3 - Prob. 3.73QACh. 3 - Prob. 3.74QACh. 3 - Prob. 3.75QACh. 3 - Prob. 3.76QACh. 3 - Prob. 3.77QACh. 3 - Prob. 3.78QACh. 3 - Prob. 3.79QACh. 3 - Prob. 3.80QACh. 3 - Prob. 3.81QACh. 3 - Prob. 3.82QACh. 3 - Prob. 3.83QACh. 3 - Prob. 3.84QACh. 3 - Prob. 3.85QACh. 3 - Prob. 3.86QACh. 3 - Prob. 3.87QACh. 3 - Prob. 3.88QACh. 3 - Prob. 3.89QACh. 3 - Prob. 3.90QACh. 3 - Prob. 3.91QACh. 3 - Prob. 3.92QACh. 3 - Prob. 3.93QACh. 3 - Prob. 3.94QACh. 3 - Prob. 3.95QACh. 3 - Prob. 3.96QACh. 3 - Prob. 3.97QACh. 3 - Prob. 3.98QACh. 3 - Prob. 3.99QACh. 3 - Prob. 3.100QACh. 3 - Prob. 3.101QACh. 3 - Prob. 3.102QACh. 3 - Prob. 3.103QACh. 3 - Prob. 3.104QACh. 3 - Prob. 3.105QACh. 3 - Prob. 3.106QACh. 3 - Prob. 3.107QACh. 3 - Prob. 3.108QACh. 3 - Prob. 3.109QACh. 3 - Prob. 3.110QACh. 3 - Prob. 3.111QACh. 3 - Prob. 3.112QACh. 3 - Prob. 3.113QACh. 3 - Prob. 3.114QACh. 3 - Prob. 3.115QACh. 3 - Prob. 3.116QACh. 3 - Prob. 3.117QACh. 3 - Prob. 3.118QACh. 3 - Prob. 3.119QACh. 3 - Prob. 3.120QACh. 3 - Prob. 3.121QACh. 3 - Prob. 3.122QACh. 3 - Prob. 3.123QACh. 3 - Prob. 3.124QACh. 3 - Prob. 3.125QACh. 3 - Prob. 3.126QACh. 3 - Prob. 3.127QACh. 3 - Prob. 3.128QACh. 3 - Prob. 3.129QACh. 3 - Prob. 3.130QACh. 3 - Prob. 3.131QACh. 3 - Prob. 3.132QA
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