Calculate the [H⁺] and the [OH⁻] for the following solutions: (1) pH = 3, (2) pH = 7.5, (3) pOH = 5.6

How do scientists think that gravity affected the formation of our solar system?

Which statement best describes what happens when molecular compounds melt

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)