Unit 8 Review Worksheet (Honors level)

(A)     Write the reaction using formulas (reactants and products).

(B)      Balance the equation.

(C)     Tell the type of reaction.

 

 

Reactants

 

Products

Type of Equation

1.

silver nitrate + sodium chloride

AgNO3  +  NaCl

à

 

silver chloride + sodium nitrate

AgCl  +  NaNO3

double

replacement

2.

ammonium sulfide + barium nitrate

(NH4)2S  +  Ba(NO3) 2

à

ammonium nitrate + barium sulfide
2 NH4NO3  +  BaS

double

replacement

3.

lithium carbonate

Li2CO3

à

lithium oxide + carbon dioxide

Li2O  +  CO2

decomposition

4.

zinc + sulfur

Zn  +  S

à

zinc sulfide

ZnS

synthesis

5.

potassium + chlorine

2 K  +  Cl2

à

potassium chloride

2 KCl

synthesis

6.

magnesium nitride

Mg3N2

à

magnesium + nitrogen

3 Mg  +  N2

decomposition

7.

aluminum + copper (II) sulfate

2 Al  +  3 CuSO4

à

copper + aluminum sulfate

3 Cu  +  Al2 (SO4) 3

single

replacement

8.

aluminum + iron (III) bromide

Al  +  FeBr3

à

iron + aluminum bromide

Fe  +  AlBr3

single

replacement

9.

bromine + silver chloride

à

no reaction

single

 replacement

10.

zinc + nickel (II) nitrate

Zn  +  Ni(NO3)2

à

nickel + zinc nitrate

Ni  +  Zn(NO3)2

single

replacement

11.

magnesium + silver sulfate

Mg  +  Ag2SO4

à

silver + magnesium sulfate

Ag  +  MgSO4

single

replacement

12.

potassium sulfate + aluminum chlorate

3 K2SO4  +  2 Al(ClO3)3

à

potassium chlorate + aluminum sulfate
6 KClO3  +  Al2(SO4)3

double

replacement

13.

ethane (C2H6) + oxygen

2 C2H6  +  7 O2 

à

carbon dioxide + water

4 CO2  +  6 H2O

combustion

14.

copper (II) chloride + sodium phosphate

3 CuCl2  +  2 Na3PO4

à

copper (II) phosphate + sodium chloride
Cu3(PO4) 2  +  6 NaCl

double

replacement

15.

calcium bicarbonate

Ca(HCO3)2

à

calcium oxide + carbon dioxide + water
CaO  +  CO2  +  H2O

decomposition

16.

strontium nitrate + copper (II) sulfate

Sr(NO3)2  +  CuSO4

à

strontium sulfate + copper (II) nitrate
SrSO4  +  Cu(NO3)2

double

replacement

17.

magnesium acetate + iron (III) carbonate

Mg(C2H3O2)2  +  Fe2(CO3)3

à

magnesium carbonate + iron (III) acetate
MgCO3  +  Fe(C2H3O2)3

double

replacement

18.

copper (II) phosphate + zinc

Cu3(PO4)2  +  Zn

à

copper + zinc phosphate

Cu  +  Zn3(PO4)2

single

replacement

19.

potassium + HCl

K  + 2 HCl

à

hydrogen + potassium chloride

H2  +  KCl

single

replacement

20.

calcium + potassium chlorate

Ca  +  KClO3

à

no reaction

single

replacement

 

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