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For each reaction listed, determine its standard cell potential (in V) at 25°C and whether the...

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Chemistry

For each reaction listed, determine its standard cell potential(in V) at 25°C and whether the reaction is spontaneous at standardconditions.

(a) 2 Au(s) + 3 Zn2+(aq) → 2 Au3+(aq) + 3 Zn(s)

(b) Co2+(aq) + Hg(l) →Co(s) + Hg2+(aq)

(c) Cu(s) +Fe(NO3)3(aq) →CuNO3(aq) +Fe(NO3)2(aq)

(d)Sn(NO3)2(aq) + Zn(s) →Sn(s) + Zn(NO3)2(aq)

Answer & Explanation Solved by verified expert
3.6 Ratings (540 Votes)
a 2 Aus 3 Zn2aq 2 Au3aq 3 Zns 3 Zn2aq 6e Zns E V 076V 1 2 Au3aq 6e 2Aus E V 140V 2 Subtracting 2 from 1 2 Aus 3 Zn2aq 2 Au3aq 3 Zns Ecell Ecathode Eanode 076 140 216V Since E    See Answer
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