Week 11 Practice Problems

Week 11 Practice Problems - CHEMISTRY 201X Practice...

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CHEMISTRY 201X October 29-November 2 Practice Problems (66) Complete and balance the following reactions which occur in acidic aqueous solution. (a) I 2 (s) + H 2 S(aq) ⎯→ H + (aq) + I (aq) + S(s) (b) I (aq) + H 2 SO 4 (aq; hot, concentrated) ⎯→ I 2 (s) + SO 2 (g) (c) Ag(s) + NO 3 (aq) ⎯→ Ag + (aq) + NO(g) (d) CuS(s) + NO 3 (aq) ⎯→ Cu 2+ (aq) + SO 4 2 (g) + NO(g) (e) S 2 O 3 2 (aq) + I 2 (s) ⎯→ I (aq) + S 4 O 6 2 (aq) (f) Zn(s) + NO 3 (aq) ⎯→ Zn 2+ (aq) + NH 4 + (aq) (g) HS 2 O 3 (aq) ⎯→ S(s) + HSO 4 (aq) (h) ClO 3 (aq) + As 2 S 3 (s) ⎯→ Cl (aq) + H 2 AsO 4 (aq) + SO 4 2 (aq) (i) Cr 2 O 7 2 (aq) + C 2 H 4 O(aq) ⎯→ C 2 H 4 O 2 (aq) + Cr 3+ (aq) (67) Complete and balance the following reactions which occur in basic aqueous solution. (a) PbO 2 (s) + Cl (aq) ⎯→ ClO (aq) + Pb(OH) 3 (aq) (b) N 2 H 4 (aq) + Cu(OH) 2 (s) ⎯→ N 2 (g) + Cu(s) (a) Ag 2 S(s) + CN (aq) + O 2
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Week 11 Practice Problems - CHEMISTRY 201X Practice...

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