Reactions Review

What type of reaction is occuring?

2 FeCl₃ --> 2 Fe + 3 Cl₂

• synthesis

• decomposition

• single replacement

• double replacement

What are the original substances in a chemical reaction called?

• solutions

• reactants

• products

• polyatomic ions

Choose the correct coefficients that balance the following equation.

Ca + N₂ --->Ca₃N₂

• 1,3,3

• 2,3,1

• 3,1,1

• 4,1,3

Tags

NGSS.HS-PS1-7

What type of reaction

is occurring?

Al + 3 Ag(NO₃)--> 3 Ag + Al(NO₃)₃

• synthesis

• decomposition

• single replacement

• double replacement

Predict the products of the single replacement reaction:

Ca + Al₂O_{3 -->}

• Ca + Al₂O3

• Ca + Al + O₂

• CaAlO₃

• Al + CaO

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type(s) of reaction is occurring?

4 Fe + 3 O₂ --> 2 Fe₂O₃

• synthesis

• decomposition

• single replacement

• double replacement

Complete the following precipitation word equation;

Silver Nitrate_(aq) + Barium Chloride_(aq) -> ?

• Silver Nitrate_(aq) + Barium Nitrate_(aq)

• Silver Chloride_(s) + Barium Chloride_(aq)

• Barium Chloride_(aq) + Silver Nitrate_(aq)

• Silver Chloride_(s) + Barium Nitrate_(aq)

How does the mass of products compare to the mass of reactants in a chemical reaction?

• reactants = products

• reactants > products

• reactants < products

Tags

NGSS.HS-PS1-7

How many molecules of KNO₃ are shown?

• 1

• 2

• 3

• 4

Which reaction type is the following: C₅H₁₀O₄ + O₂ --> CO₂ + H₂O

• Decomposition
• Single Replacement
• Combustion
• Double Replacement