Balance the equations and indicate the type of reaction.

Name: ________________________
Chemical Reactions Packet
Date: _____________
Points Needed: ______
Balance the equations and indicate the type of reaction. (1 point each)
1.
___H2 + ___O2  ___H2O
2.
___H2O  ___H2 + ___O2
3.
___Zn + ___H2SO4  ___ZnSO4 + ___H2
4.
___CO + ___O2  ___CO2
5.
___HgO  ___Hg + ___O2
6.
___KBr + ___Cl2  ___KCl + ___Br2
7.
___CaO + ___H2O  ___Ca(OH)2
8.
___AgNO3 + ___NaCl  ___AgCl + ___NaNO3
Write the balanced chemical equation and indicate the type of reaction. (2 points each)
1. zinc and lead II nitrate yields zinc nitrate and lead
2. aluminum bromide and chlorine yields aluminum chloride and bromine
3. sodium phosphate and calcium chloride yields calcium phosphate and sodium chloride
4. potassium chlorate when heated yields potassium chloride and oxygen
5. aluminum and hydrochloric acid yields aluminum chloride and hydrogen
6. calcium hydroxide and phosphoric acid yields calcium phosphate and water
7. calcium and oxygen yields calcium oxide
8. hydrogen and nitrogen monoxide yields water and nitrogen
9. sulfur and oxygen yields sulfur trioxide
10. calcium carbonate yields calcium oxide and carbon dioxide
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Name: ________________________
Chemical Reactions Packet
Date: _____________
Points Needed: ______
Write out balanced equations for each word equation and indicate the type of reaction.
(C=combustion; S=synthesis; D=decomposition; SR=single replacement; DR=double
replacement) (1 point each)
_______1. potassium chloride + silver nitrate  potassium nitrate + silver chloride
_______2. aluminum hydroxide + sodium nitrate  aluminum nitrate + sodium hydroxide
_______3. iron metal + copper (II) sulfate  iron (II) sulfate + copper metal
_______4. aluminum metal + copper (II) chloride  aluminum chloride + copper metal
_______5. sodium chlorate  sodium chloride + oxygen gas
_______ 6. calcium carbonate  calcium oxide + carbon dioxide gas
_______ 7. zinc metal + oxygen gas  zinc oxide
_______ 8. chlorine gas + sodium metal  sodium chloride
_______9. aluminum sulfate + barium chloride  aluminum chloride + barium sulfate
______ 10. beryllium fluoride + magnesium  magnesium fluoride + beryllium
______ 11. sodium hydrogen carbonate  sodium carbonate + carbon dioxide + water
Write out chemical equations for the following reactions. Indicate the state of all reactants
and products. Balance the equation. (2 points each)
1. Magnesium metal reacts with oxygen gas to produce magnesium oxide.
2. Hydrogen gas reacts with oxygen gas to produce water.
3. Calcium oxide reacts with water to produce calcium hydroxide dissolved in water.
4. Sodium oxide reacts with water to produce sodium hydroxide dissolved in water.
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Name: ________________________
Chemical Reactions Packet
Date: _____________
Points Needed: ______
5. When mercury (II) oxide is heated it decomposes to form metallic mercury and oxygen gas.
6. Sodium hydrogen carbonate is heated to produce carbon dioxide and sodium hydroxide.
7. When lead (II) nitrate is heated it decomposes to form lead (II) oxide, nitrogen dioxide and
oxygen gas.
8. Sodium metal reacts with water to produce aqueous sodium hydroxide and hydrogen gas.
9. Iron metal reacts with copper (II) nitrate solution to produce copper metal and iron (II) nitrate.
10. Hydrochloric acid, HCl (aq), reacts with magnesium metal to produce hydrogen gas and
magnesium chloride
11. Zinc sulfate solution reacts with magnesium metal to produce zinc metal and magnesium
sulfate.
12. Sodium hydroxide solution reacts with hydrochloric acid to produce a solution of sodium
chloride and water.
13. Iron (II) sulfide reacts with hydrochloric acid to produce iron (II) chloride and dihydrogen
sulfide gas.
14. Solutions of barium chloride and potassium carbonate react to form a barium carbonate
precipitate and a solution of potassium chloride.
15. Methane, CH4, burns in oxygen gas to produce carbon dioxide and water.
16. Methyl alcohol, CH3OH, a liquid, reacts with oxygen to produce carbon dioxide and water.
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Name: ________________________
Chemical Reactions Packet
Date: _____________
Points Needed: ______
Additional Questions (0 points each)
1. What types of reactions are described in numbers 15 and 16 from Page 3?
2. Octane, a component of gasoline, is shown by the formula C8H18. Write the formula for the
combustion of octane.
3. Balance the following equations:
A.
___C3H8 + ___O2

___CO2 + ___H2O
B.
___C5H12 + ___O2

___CO2 + ___H2O
C.
___C6H6 + ___O2

___CO2
D.
___C6H14 + ___O2

___CO2 + ___H2O
+ ___H2O
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