Agl - Na2S yields Ag2S Nal Na3(PO4) - HCl yields_NaCl. _H3(PO4)* Ba3N2 + __ H20 yields Ba(OH)2 NH3 CaCl2- Na3(PO4) yields Ca3(PO4)2 - NaCl _Mg(OH)2 + HCl yields MgCl2 + H2O* As + H2 NaOH yields Na3AsO3 + VOC13 + H2O V205 + HCl yields PLZ I NEED HELP WITH ALL OF THESE PLZ

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

1. list three scientific reasons cockroaches may fly.