Balance the following redox reaction in acidic solution using the half reactions method. CuS (s) + NO3¯ (aq) → Cu²+ (aq) + S (s) + NO (g)

Consider the following equation in aqueous solution: PO₃³⁻(aq) + SO₂(g) → PO₄³⁻(aq) + S²⁻(aq) The oxidation half-reaction is PO₃³⁻(aq) + H₂O(l) → PO₄³⁻(aq) + 2 H⁺(aq) + 2 e⁻ and the reduction half-reaction is SO₂ (g) + 4 H⁺(aq) + 6 e⁻ → S²⁻ (aq) + 2 H₂O(l). How many moles of electrons must be transferred in the overall reaction?

Complete and balance the following redox reaction in acidic solution IO₃⁻(aq)+ClO₂⁻(aq)→I₂(s)+ClO₂(g)

Complete and balance the following redox reaction in acidic solution. Be sure to include the proper phases for all species within the reaction. ReO₄⁻(aq) + MnO₂(s) → Re(s) + MnO₄⁻(aq)