As the gathering grew larger and the ticket seller became agitated, Tao Ying realised she couldn't argue with a scale. She saw her son thinking negatively about her and decided to get a ticket.
Complete and balance the following chemical equations: (a) \[ 2MnO_4^-(aq) + 10I^-(aq) + 16H^+(aq) \rightarrow \] (b) \[ Cr_2O_7^{2-}(aq) + 6Fe^{2+}(aq) + 14H^+(aq) \rightarrow \]