U5: Chemical Reactions Test Review

Types of Reactions

100

Identify the type of reaction

H₂  + O₂ 🡪  H₂O

Synthesis reaction 

200

Identify the Type of reaction 

C₆H₁₂O₆ + O₂ 🡪 CO₂ + H₂O

combustion reaction 

300

DOUBLE POINTS

Identify the type of reaction and balance 

__H₂O 🡪  __H₂ + __O₂

Decomposition 

2H₂O 🡪  2H₂ + 1O₂

400

Identify the type of reaction then balance the equation 

__Fe(OH)₂ + __Zn₂(SO₃) 🡪  __Fe(SO₃) + __Zn(OH)

Double replacement reaction

1Fe(OH)₂ + 1Zn₂(SO₃) 🡪  1Fe(SO₃) + 2Zn(OH)

500

Identify the type of reaction then balance the equation 

__K(OH) + __ZnCl₂  🡪  __KCl  + __Zn(OH)₂

Double replacement 

2K(OH) + 1ZnCl₂  🡪  2KCl  + 1Zn(OH)₂

Balancing

100

DOUBLE POINTS

What is the purpose of balancing chemical equations?

To have an equal number of each atom on each side of the equation

"to make both sides equal"

200

Identify the type of reaction and balance the equation

__MgCl₂  🡪 __Mg + __Cl₂

Decomposition reaction 

1MgCl₂  🡪 1Mg + 1Cl₂

300

Identify the type of reaction and balance 

__Ca + __HCl 🡪 __H₂ + __CaCl₂

Single replacement

1Ca + 2HCl 🡪 1H₂ + 1CaCl₂

400

Identify the type of reaction then balance 

__Zn + __Pb(NO₂)₂  🡪  __Pb + __Zn(NO₂)₃

Single replacement reaction

2Zn + 3Pb(NO₂)₂ 🡪  3Pb + 2Zn(NO₂)₃

500

Identify the type of reaction and balance 

__C₄H₈ + __O₂ 🡪  __CO₂ + __H₂O

Combustion 

1C₄H₈ + 6O₂   🡪  4CO₂ + 4H₂O

Predicting Products

100

Predict the products: 

Zn₂O₃  🡪  

Zn + O₂

200

Predict the Products 

Al  +   F₂   🡪   

AlF₃

300

DOUBLE POINTS 

Predict the Products 

CH₄ + O₂   🡪  

CO₂ + H₂O

400

Predict the products 

S +  Ca₃N₂   🡪  

S +  Ca₃N₂   🡪  N₂ + Ca₂S₂ 

_{N is diatomic} 

500

Predict the products 

Ag(OH)₄ + Mg₃(PO₄)₂   🡪  

Ag(OH)₄ + Mg₃(PO₄)₂   🡪  Ag₃(PO₄)₄ + Mg(OH)₂

Random Mix of all 3

100

DOUBLE POINTS

Identify the type of reaction and predict the products 

Ca  +  N₂  🡪  

  

synthesis reaction 

Ca  +  N₂  🡪  Ca₃N₂

200

DOUBLE POINTS

Identify the type of reaction and predict the products 

C₂H₂ + O₂ 🡪

Combustion reaction 

C₂H₂ + O₂ 🡪  CO₂  + H₂O

300

Predict the Products and balance 

__Al  +  __S  -> 

2Al + 3S -> 1Al₂S₃

400

Predict the Products then Balance the equation

__C₂H₄ + __O₂ ->

1C₂H₄ + 3O₂ -> 2CO₂ + 2H₂O

500

Identify the type of reaction 

Predict the products then balance the equation

__AgCl + __Ni₂(SO₄)₃ -> 

Double replacement 

6AgCl + 1Ni₂(SO₄)₃ -> 3Ag₂(SO₄) + 2NiCl₃