65. Consider a voltaic cell in which the following reaction takes place. E52.C1O 2FE2+(aq) + H2O2(aq) + 2H*(aq) → 2Fe³+(aq) + 2H2O OCHS (p) (a) Calculate E°. (b) Write the Nernst equation for the cell.
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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How do I solve .65 a? And also b if you have time :)
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CHAPTER 17 Electrochemistry
Use Tabl
(a) Calculate E°.
(b) Write the Nernst equation for the cell. dargniwollot
(c) Calculate Ewhen [Au3+] = 0.250 M, [H*] = 1.25 M,
[H,О] 3 1.50 М.
64. Consider the voltaic cell at 25°C in which the following
reaction takes place:
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(b)
othe
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1.50 M.
(c)
(d)
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(d)
d oth
74. Co
MnO2(s) + 4H*(aq) + 2Br(aq) →
Br2(1) + Mn2+(aq) + 2H2O
(a) Calculate E°.
(b) Write the Nernst equation for the cell.
(c) Find E under the following conditions: [Mn2+]
0.60 M, [Br¯] = 0.83 M, pH = 3.17
65. Consider a voltaic cell in which the following reaction
takes place.
(s)
3SO,2-
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2FE²+(aq) + H,O2(aq) + 2H+(aq) 2Fe3+(aq) + 2H,O
t.
OnMS
(p5) (a) Calculate E°.
(b) Write the Nernst equation for the cell.
(c) Calculate E at 25°C under the following conditions:
[Fe2+] = 0.00813 M, [H2O2] = 0.914 M,
Oc[Fe3+] = 0.199 M, pH = 2.88.
66. Consider a voltaic cell in which the following reaction
takes place in basic medium at 25°C.
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75.
2NO3 (aq) + 3S2-(aq) + 4H2O→
4.
3S(s) + 2NO(g) + 8OH¯(aq)
210
01 by
(a) Calculate E°.
(b) Write the Nernst equation for the cell voltage E.
(c) Calculate E under the following conditions:
by
82
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