Name:___________________________________________
March 21st 2019
Predicting the Products of Chemical Reactions: Task A
Select ten of the following thirteen questions
For each question selected:
i) identify the reaction type
ii) predict the products and their states
iii) balance the reaction
1.
(3 points) ___H2(s) + ___N2(g)
2.
(3 points) ___CaCl2(s)
3.
(3 points) ___Ca(s) + ___HCl(aq)
4.
(3 points) ___AgNO3(aq) + ___CaCl2(aq)
5.
(3 points) ___C7H16(g) + ___O2(g)
6.
(3 points) ___Fe(OH)3(aq) + ___H2SO4(aq)
7.
(3 points) ___NH3(l) + ___HCl(aq)
8.
(3 points) ___Al(OH)3(aq) + ___HClO3(aq)
9.
(3 points) ___C3H8O(g) + ___O2(g)
10.
(3 points) ___KOH(aq) + ___Fe2(SO4)3(aq)
11.
(3 points) ___Al(s) + ___NiSO4(aq)
12.
(3 points) ___Zn(s) + ___Pb(NO3)2(aq)
13.
(3 points) ___ K2O2(s)
Word Equations
Select three of the following five questions:
For each question selected:
i) identify the reaction type
ii) write the correct chemical formula for the reactants and their states
ii) predict the products and their states
iii) balance the reaction
14.
(5 points) Aqueous hydrochloric acid is dropped on solid zinc sulfide to produce ...
15.
(5 points) Potassium chlorate is heated to produce ...
16.
(5 points) A solid iron nail is place in a glass of liquid water after several days it has produced...
17.
(5 points) Pieces of solid aluminum are reacted with oxygen gas to produce ...
18.
(5 points) A solution carbonic acid is mixed with a solution of potassium hydroxide to produce ...
Name:___________________________________________
March 21st 2019
Chemical Reactions Task Answer Sheet
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1.
2.
3.
4.
5.
Name:___________________________________________
March 21st 2019
Chemical Reactions Task A
Answer Section
SHORT ANSWER
1. ANS:
___H2(s) + ___N2(g)
Synthesis
___NH3(s)
PTS: 3
2. ANS:
decomposition
+
PTS: 3
3. ANS:
Ca(s) + 2 HCl(aq)
CaCl2(aq) + H2(g)
Single Displacement Reaction
PTS: 3
4. ANS:
2 AgNO3(aq) + CaCl(aq)
Ca(NO3)2(aq) + 2 AgCl(s)
PTS: 3
5. ANS:
C7H16(g) + O2(g)
Combustion
CO2(g) + H2O(l)
PTS: 3
6. ANS:
___Fe(OH)3(aq) + ___H2SO4(aq)
Neutralization
___H2O(aq) + ___Fe2(SO4)3(aq)
PTS: 3
7. ANS:
Synthesis Reaction
+
PTS: 3
8. ANS:
___Al(OH)3(aq) + ___H2ClO3(aq)
Neutralization
PTS: 3
___H2O(aq) + ___Al(ClO3)3(aq)
9. ANS:
___C3H8O(g) + O2(g)
Combustion
CO2(g) + H2O(l)
PTS: 3
10. ANS:
___KOH(aq) + ___Fe2(SO4)3(aq)
Double Displacement
___Fe(OH)3(s) + ___K2SO4(aq)
PTS: 3
11. ANS:
Al(s) + NiSO4(aq)
Al2(SO4)3(aq) + Ni(s)
Single Displacement Reaction
PTS: 3
12. ANS:
Zn(s) + Pb(NO3)2(aq)
Zn(NO3)2(aq) + Pb
Single Displacement Reaction
PTS: 3
13. ANS:
Decomposition
2K +
PTS: 3
PROBLEM
14. ANS:
Hydrochloric acid is dropped on solid zinc sulfide to produce zinc chloride and hydrogen sulfide
PTS: 5
15. ANS:
Potassium chlorate is heated to produce potassium chloride and oxygen
Potassium chlorate is heated to produce potassium perchlorate and potassium chloride
PTS: 5
16. ANS:
A solid iron nail is place in a glass of liquid water after several days it has produced iron (III) oxide, or
iron (II) oxide and hydrogen gas
PTS: 5
17. ANS:
Pieces of solid aluminium are reacted with oxygen gas to produce aluminium oxide.
PTS: 5
Name:___________________________________________
March 21st 2019
18. ANS:
A solution carbonic acid is mixed with a solution of potassium hydroxide to produce potassium carbonate
and water
PTS: 5