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4. In the following metathesis reaction, are the reactants or products favored? Explain.   CsF + LiI...

4. In the following metathesis reaction, are the reactants or products favored? Explain.   CsF + LiI ↔ CsI + LiF

5.   Balance the following redox reactions in acidic aqueous solutions

(a) Ag (s) + Na2Cr2O7 → Ag+ (aq) + Cr3+ (aq)

(b) Cu (s) + HNO3 → Cu2+ (aq) + NO2 (g)  

(c) MnO4- (aq) + SO2 (g) → Mn2+ (aq) + HSO4- (aq)

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