Chemistry
7th Edition
ISBN: 9780321940872
Author: John E. McMurry, Robert C. Fay, Jill Kirsten Robinson
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5.22P
PROBLEM 5.22 Three different wavelengths in the line spectrum for mercury and three electronic transitions in mercury are given. Match the three wavelengths with the correct electronic transition between orbitals.
Emission Lines: 185.0 nm, 140.2 nm, 126.8 nm
Electronic Transitions: 8p? 6s, 7p? 6s, 6p? 6s
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Identifying the major species in weak acid or weak base equilibria
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000
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1
Using reaction free energy to predict equilibrium composition
Consider the following equilibrium:
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be changed to a tendency to fall by adding H₂? Similarly, if you said the
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yes
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Identifying the major species in weak acid or weak base equilibria
The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at
equilibrium. You can leave out water itself.
Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the
formulas of the species that will act as neither acids nor bases in the 'other' row.
You will find it useful to keep in mind that HF is a weak acid.
2.2 mol of NaOH is added to
1.0 L of a 1.4M HF
solution.
acids:
П
bases:
Х
other: ☐
ப
acids:
0.51 mol of KOH is added to
1.0 L of a solution that is
bases:
1.3M in both HF and NaF.
other: ☐
00.
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Chapter 5 Solutions
Chemistry
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