Please help, and make the answers and process clear. A lot of what's posted is hard to follow or read. Balance each of t

[answerhappygod]

Please help, and make the answers and process clear. A lot of
what's posted is hard to follow or read.
Balance each of the following redox reactions occurring in
acidic solution. Express your answer as a chemical equation.
Identify all of the phases in your answer.
Part A
Cr2O72−(aq)+Cu+(aq)→Cr3+(aq)+Cu2+(aq)
Part B
ClO−4(aq)+Cl−(aq)→ClO−3(aq)+Cl2(g)
Part C
NO−3(aq)+Sn2+(aq)→Sn4+(aq)+NO(g)