11.2 Quiz Review Chemistry

Balancing

100

NH₃+O₂→NO₂+H₂O

4NH₃+7O₂→4NO₂+6H₂O

200

Mg+HCl→MgCl₂+H₂

Mg+2HCl→MgCl₂+H₂

300

C₆H₁₂O₆+O₂→CO₂+H₂O

C₆H₁₂O₆+6O₂→6CO₂+6H₂O

400

Pb+PbO₂+H₂SO₄→PbSO₄+H₂O

 Pb+PbO₂+2H₂SO₄→2PbSO₄+2H₂O 

500

C₄H₁₀+O₂ → CO2+H₂O

2C₄H₁₀+13O₂ → 8CO2+10H₂O

Classifying Reactions

100

2AgNO₃ + Ni → Ni(NO3)₂ + 2Ag

Single replacement 

200

4Cr + 3O₂ → 2Cr₂O₃

Combustion or synthesis

300

3AgNO₃+K₃PO₄ → Ag₃PO₄+3KNO₃

Double Replacement 

400

H₂CO₃→H₂O+CO₂

decomposition

500

8Cu+S₈ → 8CuS

Synthesis

Predicting Products

100

Mg + I₂ --->

Mg + I₂ --> MgI₂

200

NaOH + HClO₄

NaOH + HClO₄ --> NaClO₄ + H₂O

300

ZnCO₃ + heat -->

ZnCO₃ + heat --> ZnO + CO₂

400

CaCl₂ + K₂CO₃ -->

CaCl₂ + K₂CO₃ --> CaCO₃ + KCl

500

Ag + CaCl₂ -->

Ag + CaCl₂ --> No Reaction

Classifying Reactions and Predicting Products

100

H₂SO₄ + BaCl₂ -->

Double replacement

 H₂SO₄ + BaCl₂ --> BaSO₄ + 2HCl

200

 Li + N₂ -->

Synthesis 

Li + N₂ --> Li₃N

300

2Na + MgCl₂ -->

Single replacement 

2Na + MgCl₂ --> 2NaCl + Mg

400

 Mg(OH)₂ + heat -->

Decomposition

 Mg(OH)₂ + heat --> MgO + H2O  

500

C₆H₁₂ + O₂ -->

Combustion: 

C₆H₁₂ + O₂ --> CO₂ + H₂O

Classifying Reactions and Predicting Products and Balancing

100

CuCl₂ + H₂S --->

Double displacement: 

CuCl₂ + H₂S ---> CuS + 2HCl

200

Al + O₂ --->

Synthesis 

4Al + 3O₂ ---> 2Al₂O₃

300

C₂H₄ + O₂ →

Combustion

C₂H₄ + 3O₂ → 2CO₂ +2H₂O

400

2H₂O(l) + electricity →

Decomposition

2H₂O(l) + electricity → 2H₂(g)+O₂(g)

500

Ba + MgI₂ →

Single replacement

Ba + MgI₂ → BaI₂ + Mg