BALANCING EQUATIONS

____ BaS + ____ PtF 2  ____ BaF 2 + ____ PtS All balanced!!

____ HCN + ____ CuSO 4  ____ H 2 SO 4 + ____ Cu(CN) 2 2 HCN + CuSO 4  H 2 SO 4 + Cu(CN) 2

____ P 4 + ____ O 2  ____ P 2 O 3 P O 2  2 P 2 O 3

____ Na 3 PO 4 + ____ KOH  ____ NaOH + ____ K 3 PO 4 Na 3 PO KOH  3 NaOH + K 3 PO 4

____ AlBr 3 + ____ K 2 SO 4  ____ KBr + ____ Al 2 (SO 4 ) 3 2 AlBr K 2 SO 4  6 KBr + 1 Al 2 (SO 4 ) 3

Aluminum chloride and bromine gas are formed when aluminum bromide and chlorine gas react. 2 AlBr Cl 2  2 AlCl Br 2

Copper and sulfuric acid react to form copper (II) sulfate and water and sulfur dioxide. Cu + 2 H 2 SO 4  CuSO H 2 O + SO 2

Potassium metal and chlorine gas combine to form potassium chloride. 2 K + Cl 2  2 KCl

phosphorus + oxygen  diphosphorous pentoxide 4P +5O 2  2P 2 O 5

zinc chloride + phosphoric acid  zinc phosphate + hydrogen chloride 3 ZnCl H 3 PO 4  Zn 3 (PO 4 ) HCl