When balancing the below half-reaction in acidic solution, electron are added to

Question

When balancing the below half-reaction in acidic solution, electron are added to the side of the equation NH4^+ rightarrow NO2^- 6, reactant 6, product 8, reactant 8, product The oxidizing agent in the below reaction is Fe(s) Cu^2+ (aq) Fe^2+ (aq) Cu(s) What is the total number of moles (n) of electrons transferred in the below reaction? 2S2O^2- 3 (aq) + 2CU^2+ (aq) rightarrow S4O^2- 6 (aq) + 2CU^+ (aq) 2 3 4 6 8 What is the total number of moles (n) of electrons transferred in the below reaction? 4KO2(s) + H2O(l) rightarrow 4KOH (aq) + 3O2(g) 2 3 4 6 8 Complete and balance the redox equation in acidic condition by the lowest whole-number coefficients. What is the coefficient of H2S? H2S(aq) + MnO^- 4 (aq) rightarrow Mn^2+ (aq) + SO^2- 4 (aq) 1 2 4 5 8 If E^0 AU^3+/AU = 1.50 V, E^0ca^2 +/ca = -2.87 V, What is E^0 cell for the below reaction? 2AU(s) + 3Ca^2+ (aq) rightarrow 2AU^3+ (aq) + 3Ca(s) 4.37 V 1.37 V -1.37 V -4.37 V -11.6 V Which of the following contains molybdenum (M06CI12 M0CI5 M0O2 M02S3 M0O^2- 4

Explanation / Answer

1. A. 6,reactant

2. B.Cu2+

3. A.2

4. c.4

5. d.5

6. a.4.37 v

7. e.MoO4^2-

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