Chemical Reactions Review

The products of a chemical reaction are on the

• Left side (Products → Reactants)

• Right side (Reactants → Products)

The reactants of a reaction are on the

• Left side (Reactants → Products)

• Right side (Products → Reactants)

Is this equation balanced? 
(Are there the same amount of H and O atoms on both sides of the equation?)

   $H_2O_2\rightarrow\ H_2O\ +\ O_2$  

• Yes

• No

Tags

NGSS.HS-PS1-7

In the diagram, letter D represents a

• subscript

• coefficient

• product

• equation

Tags

NGSS.MS-PS1-5

In the diagram, letter E represents a

• subscript

• coefficient

• product

• equation

Tags

NGSS.HS-PS1-7

The law of conservation of mass can be demonstrated by a chemical reaction. Which of the following models of a chemical reaction best represents the law of conservation of mass?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-7

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.MS-PS1-5

What type of reaction is occuring?

2 FeCl₃ --> 2 Fe + 3 Cl₂

• synthesis

• decomposition

• single replacement

• double replacement

The type of reaction in which oxygen is a reactant and energy is produced is called ________.

• synthesis

• decomposition

• single replacement

• combustion

What type of reaction

is occurring?

Al + 3 Ag(NO₃)--> 3 Ag + Al(NO₃)₃

• synthesis

• decomposition

• single replacement

• double replacement