Redox Reactions and Half-Reactions

Vocabulary flashcards covering oxidation half-reactions, reduction half-reactions, and overall balanced chemical equations from the lecture notes.

Oxidation Half-Reaction of $Al_{(s)}$

The half-reaction showing aluminum losing electrons: $Al_{(s)} \rightarrow Al^{3+} + 3e^-$

Reduction Half-Reaction of $Fe^{2+}$

The half-reaction showing iron(II) gaining electrons: $Fe^{2+} + 2e^- \rightarrow Fe_{(s)}$

Balanced Redox Reaction: $Al_{(s)}$ and $Fe^{2+}$

The overall balanced chemical equation: $2Al_{(s)} + 3Fe^{2+} \rightarrow 2Al^{3+} + 3Fe_{(s)}$

Oxidation Half-Reaction of $Ca_{(s)}$

The half-reaction showing calcium losing electrons: $Ca \rightarrow Ca^{2+} + 2e^-$

Reduction Half-Reaction of $H^+$

The half-reaction showing hydrogen ions gaining electrons: $2H^+ + 2e^- \rightarrow H_2$

Balanced Redox Reaction: $Ca_{(s)}$ and $H^+_{(aq)}$

The overall balanced chemical equation: $Ca_{(s)} + 2H^+_{(aq)} \rightarrow Ca^{2+}_{(aq)} + H_{2(g)}$

Oxidation Half-Reaction of $Na_{(s)}$

The half-reaction showing sodium losing electrons: $Na_{(s)} \rightarrow Na^+ + e^-$

Reduction Half-Reaction of $Ag^+$

The half-reaction showing silver ions gaining electrons: $Ag^+ + e^- \rightarrow Ag_{(s)}$