EBK BASIC CHEMISTRY
6th Edition
ISBN: 9780134987088
Author: Timberlake
Publisher: PEARSON CO
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Textbook Question
Chapter 15, Problem 53UTC
The chapter sections to review are shown in parentheses at the end of each problem.
15.53 Consider the following voltaic cell: (15.3)
a. What is the oxidation half-reaction?
b. What is the reduction half-reaction?
c. What metal is the anode?
d. What metal is the cathode?
e. What is the direction of electron flow?
f. What is the overall reaction that takes place?
g. Write the shorthand cell notation.
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Check out a sample textbook solutionStudents have asked these similar questions
(7.12) A technician plates a faucet with 0.86
g Cr metal by electrolysis of aqueous
Cr2(SO4)3. If 12.5 min is allowed for the
plating, what current is needed?
Molar mass of Cr: 51.996 g/mol
Analysis/Strategy: mass of Cr ® mol Cr
mol e¯ (or Faraday) ® coulombs ®
amperes
Reduction half-reaction of chromium
solution to chromium metal: Cr*
,+3,
(aq)
e¯ ® Cr(s)
+
chromium solution, Cr2(SO4)3, has the
ions: [Cr*3 s04-²]
Answer: The current needed is
ampere. (2 sig fig)
(7.3) Write the half-cell reactions for each of
the following cells. Choose from the given
options the BEST answer. Write the
CAPITAL LETTER of your cholce.
(a) Ag I Ag* a H* I Hz 1 Pt
Answer:
Half-cell reactions: (A) ) & ()
(B) ) & (iv) (C) (i) & () (D)
(i) & (iv)
O Agʻ(aq) o Agts) + e
Ci) Agts) Ag'laq) +
Clii) 2 H"(aq, IM)
2e" - Hzg 1 atm)
(iv) Hag 1 atm) - 2 H'taq,
IM) * 2e
I Brzn PE
Answer:
Hall-cell reactions: (w W& Cii) (B)
(im & (i) (C) (1) & (iv)
& (iv)
(D) (i)
Crz0, ng • 14 H'cag) *• 6e
Ge 2 Cr*tag) + 7 H,0D
(ii) 2 Br 2e O Brzn
(iv) Brzo 2 Br+ 2e
Fill in the blanks:
(7.14) In the electrolysis of CUSO4, how
much copper is plated out on the cathode by
a current of a 0.75A in 10 minutes?
(Cu 63.546 g/mol)
Analysis/Strategy: ampere & time
coulombs ® mol e¯ (or Faraday) ® mol
Cu
(R
mass of Cu
Reduction half-reaction of copper
solution to copper metal: Cu*²(aq)
+
e¯ ® Cu(s)
copper solution, CUSO4, has the ions:
[Cu*2 SOq]
Answer: The mass of copper plated out is
g Cu. (3 sig fig)
Chapter 15 Solutions
EBK BASIC CHEMISTRY
Ch. 15.1 - Identify each of the following as an oxidation or...Ch. 15.1 - Identify each of the following as an oxidation or...Ch. 15.1 - Prob. 3PPCh. 15.1 - Prob. 4PPCh. 15.1 - Prob. 5PPCh. 15.1 - Prob. 6PPCh. 15.1 - Prob. 7PPCh. 15.1 - Prob. 8PPCh. 15.1 - Prob. 9PPCh. 15.1 - Prob. 10PP
Ch. 15.1 - Prob. 11PPCh. 15.1 - Prob. 12PPCh. 15.1 - What is the oxidation number of the specified...Ch. 15.1 - What is the oxidation number of the specified...Ch. 15.1 - Prob. 15PPCh. 15.1 - Prob. 16PPCh. 15.1 - Prob. 17PPCh. 15.1 - Prob. 18PPCh. 15.1 - Prob. 19PPCh. 15.1 - Prob. 20PPCh. 15.2 - Balance each of the following half-reactions in...Ch. 15.2 - Prob. 22PPCh. 15.2 - Prob. 23PPCh. 15.2 - Use the half-reaction method to balance each of...Ch. 15.2 - Use the half-reaction method to balance each of...Ch. 15.2 - Use the half-reaction method to balance each of...Ch. 15.3 - Use the activity series in Table 15.3 to predict...Ch. 15.3 - Use the activity series in Table 15.3 to predict...Ch. 15.3 - Prob. 29PPCh. 15.3 - Prob. 30PPCh. 15.3 - Prob. 31PPCh. 15.3 - Prob. 32PPCh. 15.3 - The following half-reaction takes place in a...Ch. 15.3 - The following half-reaction takes place in a...Ch. 15.3 - The following half-reaction takes place in a...Ch. 15.3 - Prob. 36PPCh. 15.4 - What we call "tin cans" are really iron cans...Ch. 15.4 - Prob. 38PPCh. 15.4 - Prob. 39PPCh. 15.4 - Prob. 40PPCh. 15.4 - Prob. 41PPCh. 15.4 - Prob. 42PPCh. 15 - Prob. 43UTCCh. 15 - Prob. 44UTCCh. 15 - Prob. 45UTCCh. 15 - Prob. 46UTCCh. 15 - The chapter sections to review are shown in...Ch. 15 - The chapter sections to review are shown in...Ch. 15 - The chapter sections to review are shown in...Ch. 15 - Prob. 50UTCCh. 15 - Prob. 51UTCCh. 15 - Prob. 52UTCCh. 15 - The chapter sections to review are shown in...Ch. 15 - The chapter sections to review are shown in...Ch. 15 - Which of the following are oxidation-reduction...Ch. 15 - Which of the following are oxidation-reduction...Ch. 15 - In the mitochondria of human cells, energy is...Ch. 15 - Prob. 58APPCh. 15 - Prob. 59APPCh. 15 - Prob. 60APPCh. 15 - Prob. 61APPCh. 15 - Prob. 62APPCh. 15 - Prob. 63APPCh. 15 - Write the balanced half-reactions and a balanced...Ch. 15 - Prob. 65APPCh. 15 - Use the activity series in Table 15.3 to predict...Ch. 15 - Prob. 67APPCh. 15 - Prob. 68APPCh. 15 - Prob. 69APPCh. 15 - Prob. 70APPCh. 15 - Prob. 71APPCh. 15 - In an acidic dry-cell battery, the following...Ch. 15 - Steel bolts made for sailboats are coated with...Ch. 15 - Copper cooking pans are stainless steel pans...Ch. 15 - Prob. 75CPCh. 15 - Prob. 76CPCh. 15 - Prob. 77CPCh. 15 - The following problems are related to the topics...Ch. 15 - The following problems are related to the topics...Ch. 15 - The following problems are related to the topics...Ch. 15 - Prob. 81CPCh. 15 - Prob. 82CPCh. 15 - Prob. 83CPCh. 15 - Prob. 84CPCh. 15 - Prob. 85CPCh. 15 - Prob. 86CPCh. 15 - Prob. 87CPCh. 15 - Prob. 88CP
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