Open QuestionWhich compound forms a powerful acid and also contains a halogen? H2S, HBr, Li2O, or LiBr?341views
Open QuestionWhich is the correctly balanced chemical equation for the reaction of KOH and H2SO4?421views
Multiple ChoiceWrite the formula of the conjugate base for the following compound:H2Se1972views1rank1comments
Multiple ChoiceWrite the formula of the conjugate for the following compound:NH2NH22176views10rank8comments