Predicting Reactions Products

__K2Cr2O7+__HCl--->

1K2Cr2O7+14HCl--->2KCl+2CrCl3+7H2O+3Cl2

aluminum metal reacts with iron (II) oxide powder to produce aluminum oxide solid and iron metal

2Al(s)+3feO(s)--->Al2O3(s)+3Fe(s)

__PBr3--->

4PBr3--->1P4+6Br2

__Al+__NaOH--->

2Al+6NaOH--->2Na3AlO3+3H2

__KMnO4+__ZnCl2--->

2KMnO4+1ZnCl2--->2KCl+1Zn(Mn)4)2

Aqueous sodium hydroxide and carbon dioxide gas yields sodium carbonate solution and liquid water

2NaOH(aq)+CO2(g)--->Na2CO3(aq)+H2O(I)

__Na+__FeBr3--->

3Na+1FeBr3--->3NaBr+1Fe

The __ion is negative

Anion

The ___ion is positive

Cation

Solid iron (III) oxide and carbon monoxide gas yields iron metal and carbon dioxide gas

Fe2O3(s)+3CO(g)-->2Fe(s)+3CO2(g)