Vandenbout Worksheet 11

Vandenbout Worksheet 11 - 5. NO 3-+ Ag + (aq)...

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CH 302 Spring 2011 Worksheet 11 Half-reaction "# $ % Li + (aq) + e ! " Li(s) )*+,- Al 3+ (aq) + 3e ! " Al(s) ).+/0 TiO(s) + 2H + + 2e ! " Ti(s) + H 2 O ).+*. Ti 3+ (aq) + 3e ! " Ti(s) ).+1. Ni 2+ (aq) + 2e ! " Ni(s) ),+1- CO 2 (g) + 2H + + 2e ! " HCOOH(aq) ),+. . 2H + (aq) + 2e ! " H 2 (g) ,+,, SO 4 2 ! (aq) + 4H + + 2e ! " 2H 2 O(l) + SO 2 (aq) 2,+.3 Cu 2+ (aq) + 2e ! " Cu(s) 2,+*4 Fe 3+ (aq) + e ! " Fe 2+ (aq) 2,+33 NO 3 (aq) + 2H + (aq) +e " NO 2 (g) + H 2 O(l) 2,+0, Au 3+ (aq) + 3e ! " Au(s) 2.+-1 Ag 2 O 3 (s) + 6H + + 4e ! " 2Ag + (aq) + 3H 2 O 2.+/3 F 2 (g) + 2e ! " 2F ! (aq) 21+03 For questions 1-5, determine whether, as written, the reaction is a battery (“galvanic”) or electrolytic. Balance the reaction and then indicate which species is receiving the electrons and the sign of the cell for that electrode. Note: These problems are harder than the problems on the next page. It was just convenient to put them here. 1. TiO(s) + Au(s) " Au 3+( aq) + Ti(s) in acid 2. TiO(s) + Au(s) " Au 3+( aq) + Ti(s) in base 3. Ag + (aq) + F 2 (g) " F - (aq) + Ag 2 O 3 (s) in base 4. SO 4 2- (aq) + Al(s) " Al 3+ (aq) + SO 2 (aq) in acid
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Unformatted text preview: 5. NO 3-+ Ag + (aq) " Ag 2 O 3 (s) + NO 2 (g) in acid For the table, fill in the requested information for a battery made from the two indicated half-reactions. Half-reaction 1 Half-reaction 2 Cath. An. Balanced Reaction ! E Strongest ox. Agent Strongest red. agent Ni 2+ (aq) + 2e ! " Ni(s) 2H + (aq) + 2e ! " H 2 (g) 2 1 2H + (aq) + Ni(s) " Ni 2+ (aq) + H 2 (g) +0.25 H + Ni F 2 (g) + 2e ! " 2F ! (aq) Li + (aq) + e ! " Li(s) Al 3+ (aq) + 3e ! " Al(s) Ti 3+ (aq) + 3e ! " Ti(s) F 2 (g) + 2e ! " 2F ! (aq) 2H + (aq) + 2e ! " H 2 (g) 2H + (aq) + 2e ! " H 2 (g) Fe 3+ (aq) + e ! " Fe 2+ (aq) Fe 3+ (aq) + e ! " Fe 2+ (aq) Ni 2+ (aq) + 2e ! " Ni(s) Cu 2+ (aq) + 2e ! " Cu(s) Au 3+ (aq) + 3e ! " Au(s) Fe 3+ (aq) + e ! " Fe 2+ (aq) Li + (aq) + e ! " Li(s) Ti 3+ (aq) + 3e ! " Ti(s) Cu 2+ (aq) + 2e ! " Cu(s) Fe 3+ (aq) + e ! " Fe 2+ (aq) F 2 (g) + 2e ! " 2F ! (aq)...
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Vandenbout Worksheet 11 - 5. NO 3-+ Ag + (aq)...

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