Balancing Redox Equations 1 Balance each of the following net ionic equations fo

Question

Balancing Redox Equations 1

Balance each of the following net ionic equations for redox reactions. Remember that a redox reaction must be balanced for the number of electrons exchanged as well as for number of atoms on each side.

Part A

Zn(s)+Al3+(aq)Zn2+(aq)+Al(s)

Express your answer as a net ionic equation. Identify all of the phases in your answer.

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Part B

Cd(s)+Cu+(aq)Cd2+(aq)+Cu(s)

Express your answer as a net ionic equation. Identify all of the phases in your answer.

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Part C

BrO3(aq)+N2H4(g)Br(aq)+N2(g)+H2O(l)

Express your answer as a net ionic equation. Identify all of the phases in your answer.

Explanation / Answer

1. 3 Zn(s) + 2 Al3+(aq)3 Zn2+(aq) + 2 Al(s)

2. Cd(s)+ 2Cu+ (aq)---> Cd+2 (aq)+ 2Cu (s)

3 BrO3- (aq) + 3 N2H4 (g) --> 3 N2 (g) + 2 Br- (aq) + 6 H2O (l)

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