Identify each conjugate acid-base pair in the following equations. (Select all that apply.) (a) H2Se(aq)+H2O()H3O+(aq)+HSe(aq) H2O(),HSe(aq)H3O+(aq),H2Se(aq)H3O+(aq),H2O()H2Se(aq),HSe(aq) (b) HBr(aq)+H2O()H3O+(aq)+Br(aq)H2O(),Br(aq)H3O+(aq),HBr(aq)H3O+(aq),H2O()HBr(aq),Br(aq) (c) H2O()+N3(aq)HN3(aq)+OH(aq) N8(aq),OH(aq)HN3(aq),H2O()HN3(aq),N3(aq)H2O(),OH(aq)