Chemistry In Focus
7th Edition
ISBN: 9781337399692
Author: Tro, Nivaldo J.
Publisher: Cengage Learning,
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Chapter 14, Problem 37E
Interpretation Introduction
Interpretation:
The overall cell reaction for the given half-cell is to be determined.
Concept Introduction:
Oxidation is the addition of an electronegative element or the removal of an electropositive element in a
Reduction is the addition of an electropositive element or the removal of an electronegative element in a chemical reaction.
The chemical reaction in which both oxidation and reduction takes place simultaneously is called a
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Reagan is doing an atomic absorption experiment that requires a set of zinc standards in the 0.4-
1.6 ppm range. A 1000 ppm Zn solution was prepared by dissolving the necessary amount of
solid Zn(NO3)2 in water. The standards can be prepared by diluting the 1000 ppm Zn solution.
Table 1 shows one possible set of serial dilutions (stepwise dilution of a solution) that Reagan
could perform to make the necessary standards. Solution A was prepared by diluting 5.00 ml of
the 1000 ppm Zn standard to 50.00 ml. Solutions C-E are called "calibration standards" because
they will be used to calibrate the atomic absorption spectrometer.
Table 1: Dilutions of Zinc Solutions
Solution
Zinc Solution
Volume
Diluted Solution
Concentration
used
volume
(ppm Zn)
(mL)
(mL)
concentration
(ppm Zn)
Solution
concentration
A
1000
5.00
50.00
1.00×10²
(ppm
Zn(NO3)2)
2.90×10²
Solution
concentration
(M Zn(NO3)2
1.53×10-3
B
Solution A 5.00
100.00
5.00
C
Solution B 5.00 50.00
0.50
7.65×10-6
D
Solution B 10.00 50.00…
None
None
Chapter 14 Solutions
Chemistry In Focus
Ch. 14 - For the following redox reaction, identify the...Ch. 14 - Prob. 14.2YTCh. 14 - Prob. 1SCCh. 14 - The respiration reaction is shown below. Identify...Ch. 14 - Closely examine Figure 14.1 and explain why no...Ch. 14 - Prob. 1ECh. 14 - Explain the basic principle involved common...Ch. 14 - Prob. 3ECh. 14 - Prob. 4ECh. 14 - Prob. 5E
Ch. 14 - Can an oxidation reaction occur without a...Ch. 14 - Prob. 7ECh. 14 - Why is bromine reduced in the following reaction...Ch. 14 - What is an oxidizing agent? A reducing agent?Ch. 14 - Prob. 10ECh. 14 - Write equations for respiration and...Ch. 14 - Prob. 12ECh. 14 - Prob. 13ECh. 14 - Prob. 14ECh. 14 - Prob. 15ECh. 14 - Give a thermodynamic argument for why it is more...Ch. 14 - Prob. 17ECh. 14 - Use chemical equations to explain how the molten...Ch. 14 - Prob. 19ECh. 14 - Prob. 20ECh. 14 - Prob. 21ECh. 14 - Prob. 22ECh. 14 - Prob. 23ECh. 14 - Prob. 24ECh. 14 - Draw Lewis structures for each chemical reaction,...Ch. 14 - Draw Lewis structures for each chemical reaction,...Ch. 14 - Prob. 27ECh. 14 - For each reaction, indicate which elements are...Ch. 14 - For each reaction, indicate which elements are...Ch. 14 - For each reaction, indicate which elements are...Ch. 14 - For each reaction, identify the oxidizing agent...Ch. 14 - Prob. 32ECh. 14 - Prob. 33ECh. 14 - Prob. 34ECh. 14 - Which would you expect to be a better oxidizing...Ch. 14 - Prob. 36ECh. 14 - Prob. 37ECh. 14 - Sum each of the following oxidation and reduction...Ch. 14 - Prob. 39ECh. 14 - Prob. 40ECh. 14 - Which of the following factors might affect the...Ch. 14 - Prob. 42ECh. 14 - Prob. 43ECh. 14 - Fossil fuel, nuclear, and hydroelectric power...Ch. 14 - The following diagram shows an electrochemical...Ch. 14 - The following diagram shows a molecular view of...
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