Chemistry I
Review Worksheet 1
Chemical Names & Formulas
Name solution key
Write the correct chemical name or formula for each of the compounds below.
A. Non-metal/Non-metal
1. PCl5
phosphorous pentachloride
2. SO2
sulfur dioxide
3. P4S8
tetraphosphorous octasulfide
4. dinitrogen tetroxide
N2O4
5. diphosphorus pentoxide
P2O5
B. Metal/Non-metal
6. Li3N
- notice no reducing
lithium nitride
7. Mg3P2
magnesium phosphide
8. potassium sulfide
K2S
9. aluminum bromide
AlBr3
10. magnesium oxide
MgO - notice reducing
C. Transition Metal/Non-metal
11. Fe2O3
iron (III) oxide
12. CuCl2
copper(II) chloride
13. PbO
lead(II) oxide
14. iron (III) bromide
FeBr3
15. tin (IV) oxide
SnO2
D. Polyatomic Ions
16. KOH
- notice reducing
potassium hydroxide
17. Hg2CO3
mercury carbonate
18. lead (II) phosphate
Pb3(PO4)2
19. magnesium nitrate
Mg(NO3)2
20. lithium sulfate
Li2SO4
Chemistry I
E. Acids
21. H3PO4(aq)
___phosphoric acid (not phosphic acid)
22. H2S(aq)
___hydrosulfuric acid______
23. hydronitric acid
___H3N(aq)_______________
24. sulphuric acid
___H2SO4(aq)_____________
F. Combination of Compounds
25. HNO3(aq)
nitric acid
26. SiCl4
silicon tetrachloride
27. N2O5
dinitrogen tetroxide
28. CoCl2
cobalt (II) chloride
29. CO2
carbon dioxide
30. CuI2
copper (II) iodide
31. Be(OH)2
beryllium hydoxide
32. Sn(NO3)2
tin(II) nitrate
33. P2F3
diphosphorous trifluoride
34. Mg3(PO4)2
magnesium phosphate
35. diphosphorus heptoxide
P2O7
36. chromium (II) bromide
CrBr2
37. calcium nitrate
Ca(NO3)2
38. nickel (II) oxide
NiO - notice reducing
39. aluminum phosphate
AlPO4 - notice reducing
40. lithium sulfide
Li2S
41. nitrogen pentafluoride
NF5
42. aluminum hydroxide
Al(OH)3 or Al(OH)3 (aq)
43. hydrochloric acid
HCl (aq)
44. lead (IV) sulfate
Pb(SO4)2 - notice reducing
Chemistry I
Review Worksheet 2
Reviewing Chemical Names & Formulas
A. Non-metal/Non-metal
1. CO2
Name solution key
carbon dioxide
2. N2O4
dinitrogen tetroxide
3. SF6
sulphur hexafluoride
4. tetraphosphorous nonoxide
P4O9
5. phosphorous tribromide
PBr3
B. Metal/Non-metal
6. MgI2
magnesium iodide
7. Na2S
sodium sulfide
8. sodium phosphide
Na3P
9. aluminum oxide
Al2O3
10. barium chloride
BaCl2
C. Transition Metal/Non-metal
11. PbO
lead(II) oxide
12. FeBr3
iron(III) bromide
13. SnO2
tin(IV) oxide - notice reducing
14. iron (III) oxide
Fe2O3
15. nickel (II) sulfide
NiS
D. Polyatomic Ions
16. Na2CO3
sodium carbonate
17. Cu3PO4
copper(I) phosphate
18. calcium phosphate
Ca3(PO4)2
19. barium nitrate
Ba(NO3)2
20. cobalt (II) sulfate
CoSO4 - notice reducing
Chemistry I
E. Acids
21. HClO3(aq)
_______chloric acid_________________
22. H3N(aq)
________ hydronitric acid ____________
23. phosphoric acid
_________H3PO4 (aq)__________________
24. hydrophosphoric acid
this does not exist! (phosphene is H3P)
F. Combination of Compounds
25. Pb3(PO4)2
lead (II) phosphate
26. N3F7
trinitrogen heptafluoride
27. P2O5
diphosphorous pentoxide
28. CuCl2
copper (II) chloride
29. Cu(ClO3)2
copper (II) chlorate
30. BaF2
barium fluoride
31. Mg(OH)2
magnesium hydroxide
32. H2SO4(aq)
sulfuric acid
33. CCl4
carbon tetrachloride
34. Mg3N2
magnesium nitride
35. dichlorine heptoxide
Cl2O7
36. tin (IV) oxide
SnO2 - notice reducing
37. calcium carbonate
CaCO3 (aq)
38. nickel (II) sulfate
NiSO4
39. aluminum nitride
AlN
40. lithium oxide
Li2O
41. phosphorous pentabromide
PBr5
42. tin (II) hydroxide
Sn(OH)2 (aq)
43. hydrosulfuric acid
H2SO4 (aq)
44. potassium phosphate
K2SO4
Chemistry I
Name
Review Worksheet 3
Chemical Reaction Types
solution key
Identify each chemical reaction as a synthesis, decomposition, single-replacement, doublereplacement, or combustion reaction.
1. 2SO2 + O2 2SO3
synthesis
2. Al2(SO4)3 + 3Ca(OH)2 2Al(OH)3 + 3CaSO4
double-displacement (replacement)
3. 2C2H2 + 5O2 4CO2 + 2H2O
complete combustion
4. Mg + 2AgNO3 Mg(NO3)2 + 2Ag
single-displacement (replacement)
5. 3Ba(NO3)2 + 2H3PO4 Ba3(PO4)2 + 6HNO3
double-displacement (replacement)
6. Mg(ClO3)2 MgCl2 + 3O2
decomposition
7. 2Be + O2 2BeO
synthesis
8. 2Al + 3CuSO4 Al2(SO4)3 + 3Cu
single-displacement (replacement)
9. 2PbO2 2PbO + O2
decomposition
10. 2C2H6 + 7O2 4CO2 + 6H2O
complete combustion
Complete the SKELETAL (i.e. not balanced) chemical equations for the following SYNTHESIS
(COMBINATION) reactions.
11.
Mg + O2 MgO
12.
Ca + S CaS
13.
Na + O2 NaO2
14.
Na + Cl2 NaCl
15.
Al + O2 Al2O3
Complete the SKELETAL (i.e. not balanced) chemical equations for the following
DECOMPOSITION reactions.
16.
CaO Ca + O2
17.
Ca3N2 Ca + N2
18.
MgCl2 Mg + Cl2
- recall H O F Br I N Cl - diatomic elements
Complete the SKELETAL (i.e. not balanced) chemical equations for the following SINGLE
DIPSLACEMENT reactions.
19.
Zn
+
AgNO3 Ag + Zn(NO3)2
20.
Ca
+
H3PO4(aq) H2 + Ca3(PO4)2
21.
Al
+
H2SO4 H2 + Al2(SO4)3
22.
Mg
+
LiNO3 Li + Mg(NO3)2
23.
Al
+
CuSO4 Cu + Al2(SO4)3
Chemistry I
Complete the SKELETAL (i.e. not balanced) chemical equations for the following
DOUBLE-DISPLACEMENT reactions.
24.
Ag2SO4 + AlCl3 Al2(SO4)3 + AgCl
25.
CdBr2 + Na2S NaBr + CdS
26.
Pb(NO3)2 + NaI NaNO3 + PbI2
27.
NaOH + Fe(NO3)3 Fe(OH)3 + NaNO3 -- notice iron (III) used in reactant & product
28.
NaNO3 +
-- notice lead (II) used in reactant & product
BaCl2 NaCl + Ba(NO3)2
Chemistry I
Review Worksheet #4
Write the type of reaction on the line. Then, predict the products of each reaction to complete
the chemical equation. Write the correct formulas of the products after the arrow.
1.
Ag2O Ag + O2
decomposition
2.
C4H8 + O2 CO2 + H2O
complete combustion (pos. incomp.)
3.
Al + N2 AlN
synthesis
4.
Zn + CuSO4 Cu + ZnSO4
single displacement
5.
H2SO4(aq) + NaOH Na2SO4 + H2O
neutralization (double displacement)
6.
Li + O2 synthesis
7.
Al2(SO4)3 + Ba(OH)2 Al(OH)3 + BaSO4
double displacement
8.
Cu + CaCO3 Ca + CuCO3
single displacement
9.
C3H6 + O2 C + CO + H2O + CO2
incomplete combustion (pos. comp.)
10.
Na3PO4 + Pb(NO3)2 NaNO3 + Pb3(PO4)2
double displacement -- notice lead (II)
Li2O
Write the chemical equation for the following reactions. Remember the diatomics. Use
appropriate state symbols .
11. Solid silver carbonate decomposes into solid silver oxide and gaseous carbon dioxide when
heated.
12. Bubbling chlorine gas through a solution of potassium iodide gives solid iodine and a
solution of potassium chloride.
13. Iodine crystals react with chlorine gas to form solid iodine trichloride.
Chemistry I
Write the BALANCED chemical equation for the complete COMBUSTION of the following
hydrocarbons.
29. octane (C8H18)
:
30. glucose (C6H12O6) :
C8H18
+
C6H12O6 +
+
+
Complete the WORD EQUATION and write the BALANCED chemical equation for the
following neutralization reactions..
31. hydronitric acid + calcium hydroxide 32. phosphoric acid + copper(II) hydroxide 33. chloric acid + magnesium hydroxide 34. Why are these “neutralization” reactions?
35. If you have an acid of pH 4 and you add a base to it, what will happen to the pH of the acid?
Chemistry I
Name
Review Worksheet 5
Balancing Equations
Use COEFFECIENTS to balance the following chemical equations. If the equation is already
balanced, state that next to the equation.
1.
SO2
+
O2
SO3
2.
Fe2O3 +
H2
Fe
3.
P
O2
P4O10
4.
PbO2 PbO
+
O2
5.
Pb(NO3)2
+
6.
Cl2
+
7.
+
H2O
K2CrO4
PbCrO4
KI
KCl
+
I2
C3H6 +
O2
CO2
+
H2O
8.
Al(OH)3
Al2O3 +
9.
Li
+
O2
10.
HCl
+
Fe2O3 11.
MgCO3
MgO +
CO2
12.
Ba(CN)2
+
H2SO4 BaSO4 +
13.
NaCl +
H2SO4 Na2SO4
+
HCl
14.
Al
CuSO4 Al2(SO4)3
+
Cu
15.
C2H6 +
O2
CO2
+
H2O
16.
P
+
O2
P2O5
17.
Fe
+
O2
Fe3O2
18.
H2
+
Fe3O4 Fe
+
H2O
19.
(NH4)2CO3
NH3
+
H2O
+
20.
N2O3 +
H2O
HNO2
+
+
H2O
Li2O
FeCl3 +
H2O
HCN
CO2
+
KNO3
Chemistry I
Complete and balance an equation for each reaction.
+
LiOH
22.
Al
+
Cl2
23.
Ag
+
HCl
24.
C2H2 +
O2
25.
Mg
AgCl 26.
H2O2 27.
Mg
28.
MgCl2 +
Ca(OH)2
29.
C3H8O3
+
O2
30.
Al
N2
+
+
Ba(NO3)2
21.
N2
+
Balance the equation.
31. Pb(NO3)2
32. Na3PO4
+
H2SO4 PbSO4
+ HNO3
+ FeCl3 NaCl + FePO4
33. (NH4)2S + Co(NO3)2 CoS + NH4NO3