HELP ME PLEASE!! THIS IS FOR SCIENCE BUT I'M GONNA PUT CHEMISTRY BECAUSE THERE IS NO OPTION FOR SCIENCE UNLESS CHEMISTRY IS A FANCY WORD FOR SCIENCE LOL

What type of reaction is zn + cucl2 → cu + zncl2?

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)

How many atoms are in 2 moles of phosphorus