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Question
Use the standard reduction potentials below to determine which element or ion is the best oxidizing agent.
O2(g) + 4 H+(aq) + 4 e- 2 H2O(
) E = +1.229 V
Hg22+(aq) + 2 e- 2 Hg() E = +0.789 V
I2(s) + 2 e- 2 I-(aq) E = +0.535 V
A.I2(s)
B.O2(g)
C.I-(aq)
D.Hg22+(aq)
E.H2O()
Answer
This answer is hidden. It contains 2 characters.
Related questions
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H2O2(aq) H2O() + 1/2 O2(g)
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At 25 C, what is the osmotic pressure of a homogeneous solution consisting of 21.0 g urea (CON2H4) diluted with water to 2.50 L? (R = 0.08206 Latm/molK)
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Q:
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Q:
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Q:
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Q:
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Q:
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What is the distance, in atomic radii, along any edge of a body-centered unit cell?
A.
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D.
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Q:
If a metal crystallizes in a primitive cubic lattice, each metal atom has ____ "nearest neighbors."
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If a metal crystallizes in a face-centered cubic lattice, each metal atom has ____ "nearest neighbors."
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Which equation represents the number of atoms in a body-centered cubic unit cell?
A.
B.
C.
D.
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Q:
The solubility product equilibrium constant, Ksp, of silver bromide is 5.4 10-13 at 298 K.
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Q:
What is the equilibrium constant for reaction below at 25 C? (R = 8.314 J/Kmol)2 NO(g) + O2(g) 2 NO2(g)given DfG [NO(g)] = +86.6 kJ/mol and DfG [NO2(g)] = +51.2 kJ/mol.A.3.9 10-13B.1.0C.2.6 1012D.1.6 106E.3.8 1028
Q:
All of the following relationships are true EXCEPT
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B..
C..
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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
Q:
If a chemical reaction is exothermic, but not spontaneous, which of the following must be true?
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B.DrG < 0, DrS > 0 and DrH > 0
C.DrG > 0, DrS < 0 and DrH > 0
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