For the reaction 2Al + 3H2SO -> 3H2g + Al2(SO4)3 if 58.83 g of aluminum is completely reacted, how many grams of sulfuric acid are needed?​

What is the value of keq for the reaction expressed in scientific notation?

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

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)