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1. Consider the reaction below: 3Ag2S(s) + 8H+(aq) + 2NO3-(aq) ? 6Ag+(aq) + 3S(s) + 2NO(g)...

1. Consider the reaction below: 3Ag2S(s) + 8H+(aq) + 2NO3-(aq) ? 6Ag+(aq) + 3S(s) + 2NO(g) + 4H2O(l)
In this reaction, which species is reduced?

2. Calculate Ecell for the following electrochemical cell which is operating under nonstandard conditions:
Cr | Cr3+(0.010 M) || Ag+(0.00010 M) | Ag

The relevant standard reduction potentials are:

Cr3+(aq) + 3e- ? Cr(s) Eº = ?0.74 V
Ag+(aq) + e- ? Ag(s) Eº = +0.80 V
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Answer #1

疋一2-0 0.80-(-0.79) o-80 10 74 l.54 V o ol sy-0057lSY_ 0.0197 1m 1 0. 0 - 1 34 v

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