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Question
Calculate the cell potential, at 25 C, based upon the overall reaction
Zn2+(aq) + 2 Fe2+(aq) Zn(s) + 2 Fe3+(aq)
if [Zn2+] = 1.50 10-4 M, [Fe3+] = 0.0200 M, and [Fe2+] = 0.0100 M. The standard reduction potentials are as follows:
Zn2+(aq) + 2 e- Zn(s) E = -0.763 V
Fe3+(aq) + e- Fe2+(aq) E = +0.771 V
A.-1.665 V
B.-1.534 V
C.-1.439 V
D.-0.008 V
E.+0.008 V
Answer
This answer is hidden. It contains 2 characters.
Related questions
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Q:
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Q:
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All of the following relationships are true EXCEPT
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Q:
Calculate DrG for the combustion of benzene at 325 K.2 C6H6() + 15 O2(g) 12 CO2(g) + 6 H2O()Species DfH (kJ/mol) S (J/Kmol)C6H6() 49.0 173.3O2(g) 0 205.1CO2(g) -393.5 213.7H2O() -285.8 67.0A.-6386 kJ/mol-rxnB.-6078 kJ/mol-rxnC.-7251 kJ/mol-rxnD.-8611 kJ/mol-rxnE.+1431 kJ/mol-rxn
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If a chemical reaction is exothermic, but not spontaneous, which of the following must be true?
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