Identify the combination reaction. 2H 2 +022H 20
O Cl2 + 2KBT
2KCI + Br 2
O Al 2S 3 — 2A1 + 35
O C4H 12 + 70 26H 20 + 4CO 2

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

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)