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The two electrodes cr(s)/cr3+(aq) and fe(s)/fe2+(aq) are combined to afford a spontaneous electrochemical reaction. the standard reduction potentials in v for cr3+(aq) and fe2+(aq) are −0.74 and −0.44,
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The two electrodes cr(s)/cr3+(aq) and fe(s)/fe2+(aq) are combined to afford a spontaneous electrochemical reaction. the standard reduction potentials in v for cr3+(aq) and fe2+(aq) are −0.74 and −0.44, respectively. e° for the cell (in v) is

User Jaclyn
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E = Ecathod- Eanode = -0.44 +0.74 =

User Joe Waller
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