Open QuestionBased on your experience in the simulation, what do the numbers 3 and 4 refer to in 3 NH4?
Open QuestionThe equilibrium system between hydrogen gas, bromine gas, and hydrogen bromide gas is given.
Open QuestionWhen H2SO4 is neutralized by NaOH in aqueous solution, the net ionic equation is ________.
Open QuestionHow does a balanced chemical equation show that mass is never lost or gained in a chemical reaction?