Chemical Reactions Review

If a chemical substance has been dissolved in water, what symbol would be used to represent the solution?

• (s)

• (g)

• (l)

• (aq)

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 occuring?

2 FeCl₃ --> 2 Fe + 3 Cl₂

• synthesis

• decomposition

• single replacement

• double replacement

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 -->}

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The type of reaction in which 2 different compounds’ atoms or ions replace each other is called ________.

• synthesis

• decomposition

• single replacement

• double replacement

Select the coefficients to balance the following equation.

___Al + ___Ag(NO₃) --> __Ag + __Al(NO₃)₃

• 3,1,1,3

• 1,3,3,1

• 1,2,2,1

• 2,1,1,2

Tags

NGSS.HS-PS1-7

What type(s) of reaction is occurring?

4 Fe + 3 O₂ --> 2 Fe₂O₃

Balance this chemical equation:

__FeO + __Ca₃P₂ --> __Fe₃P₂ + __CaO

Write the coefficients that should be added in the blanks. Separate your answers by commas.

Tags

NGSS.HS-PS1-7

Balance the following equation.

Al + S--> Al₂S₃

• 2,2,1

• 2,4,1

• 2,3,1

• 3,1,1

Tags

NGSS.HS-PS1-7