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Worksheet
Classification and Balancing of Chemical Reactions
Balance the following equations.
- ___H 2 + ___O 2 ___H 2 O
2. ___H 2 O ___H 2 + ___O 2
- ___Zn + ___H 2 SO 4 ___ZnSO 4 + ___H 2
4. ___CO + ___O 2 ___CO 2
- ___HgO ___Hg + ___O 2
- ___KBr + ___Cl 2 ___KCl + ___Br 2
- ___CaO + ___H 2 O ___Ca(OH) 2
- ___Ag(NO 3 ) + ___NaCl ___AgCl + ___Na(NO 3 )
Worksheet #
Chemical Reactions with Balancing
Write the word equations below as chemical equations and balance. Identify the reaction type.
- zinc and lead II nitrate yields zinc nitrate and lead
- aluminum bromide and chlorine yields aluminum chloride and bromine
- sodium phosphate and calcium chloride yields calcium phosphate and sodium chloride
- potassium chlorate when heated yields potassium chloride and oxygen
- aluminum and hydrochloric acid yields aluminum chloride and hydrogen
Worksheet #
More Balancing
Write and balance the following equations. Identify the reaction type.
- magnesium and hydrogen chloride produce hydrogen and magnesium chloride
- calcium hydroxide and lithium chloride produce lithium hydroxide and calcium chloride
- decompose copper (II) oxide into copper and oxygen
- aluminum and iron (III) oxide produce iron and aluminum oxide
- combustion of butane (C 4 H 10 ) in air to produce carbon dioxide and water
Worksheet #
Types of Reactions, Balancing and Predicting Products
Balance the following equations and also tell what type they are: single displacement, double displacement, synthesis, decomposition or combustion.
- ____CaO + _____H 2 O ______Ca(OH) 2
Reaction type: _________________________
- __AgNO 3 + ___NaCl ___AgCl + ____NaNO 3
Reaction type: _________________________
3. ____H 2 + _____O 2 _____H 2 O
Reaction type: _________________________
- ____HgO _____Hg + _____O (^2)
Reaction type: _________________________
- _____H 2 O 2 _____H 2 O + ______O 2
Reaction type: _________________________
Identify the type of reaction, predict the products, write and balance the chemical reaction
- magnesium and hydrogen chloride
- copper and silver nitrate
- sodium chloride and silver nitrate
- decomposition of water
- magnesium and oxygen
- Calcium hydroxide and hydrogen sulfate
- Iron (III) chloride + sodium hydroxide
- Chlorine + potassium bromide
- Lead (II) chloride and lithium sulfate
- Magnesium and nitrogen
Section 3: Single Displacement Reaction
- Place 10 ml of sulfuric acid (hydrogen sulfate) in a flask.
- Add a small amount of zinc metal into the sulfuric acid.
- Make observations and a balanced equation.
- Clean up your area.
Observations :
Balanced Equation :
Section 4: Double Displacement Reaction
- On a watch glass, place 5 drops of potassium iodide solution.
- ***Do Not Mix The Droppers up!!!
- To the potassium iodide, add 5 drops of lead II nitrate.
- Make observations and a balanced equation.
- Clean up your area.
Observations :
Balanced Equation :
Section 5: Combustion Reaction
- Add 5 drops of isopropanol (C 3 H 7 OH) to a watch glass.
- Carefully light the isopropanol with a match, using tongs to keep your hands away from the flame.
- Make observations and a balanced equation.
- Clean up your area.
Observations :
Balanced Equation :
Precipitate Lab
Silver
Nitrate
Lead II
Nitrate
Copper II
Sulfate
Magnesium
Sulfate
Iron III
Chloride
Sodium
Chloride 1 2 X X X
Potassium
Iodide 3 4 X X X
Sodium
Hydroxide 5 6 7 8 9
Sodium
Carbonate 10 11 12 13 14
Sodium
Phosphate 15 16 17 18 19
For each of the following:
- Write and balance the chemical equations.
- Classify the reaction type.
- sodium chloride and lead II nitrate yield lead II chloride and sodium nitrate
Equation: ___________________________________________________
Reaction Type = _______________________
- zinc hydroxide yields zinc oxide and water
Equation: ___________________________________________________
Reaction Type = _______________________
For each of the following:
- Predict the products.
- Balance the chemical equations.
- Classify the reaction types.
- Mg + O 2 ________________________________________
Reaction Type = _______________________
- Ba 3 (PO 4 ) 2 + NaClO 4 ______________________________
Reaction Type = _______________________
20. C 4 H 10 + O 2 ___________________________________
Reaction Type = _______________________
For each of the following:
- Predict the products.
- Write and balance the chemical reactions.
- Classify the reaction type.
- potassium + bromine ________________________________________
Equation: ___________________________________________________
Reaction Type: _______________________
- silver nitrate + zinc chloride ____________________________________
Equation: ___________________________________________________
Reaction Type: _______________________
Write the balanced, molecular equation for the reaction. A precipitate may not form in all cases. If a precipitate, does form, please write the complete ionic and net ionic equation.
- NaI (aq) + AgNO3(aq)
- BaCl (^) 2(aq) + Na 2 SO4(aq)
- Pb(NO 3 ) (^) 2(aq) + KCl (^) (aq)
- NaOH(aq) + Fe(NO 3 ) 3(aq)
- NaOH(aq) + K 2 SO4(aq)
