Chemical Reaction Equations--Types and Balancing

4Si + S₈ --> 2Si₂S₄

• Synthesis
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-5

2NO₂ --> N₂ + 2O₂

• Synthesis
• Decomposition
• Single displacement
• Combustion

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

C₄H₁₂ + O₂ --> CO₂ + H₂O

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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

• Decomposition
• Single Replacement
• Combustion
• Double Replacement

When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced

• charge
• subscript
• random number
• coefficient

What coefficient should be used to make the following equation balanced?
N₂+O₂--> _NO 

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-5

Balance this equation:
 __Li + __Cl₂ -> __LiCl

• 2Li + Cl₂ -> 4LiCl₂
• 2Li + Cl₂ -> LiCl₂
• 2Li +  Cl₂ -> 2LiCl

Tags

NGSS.MS-PS1-5

What is a reactant?

• a volatile chemical
• a dangerous substance
• the substances you start with in a chemical reaction
• the substances that are formed by a chemical reaction 

Tags

NGSS.MS-PS1-1

What is a product?

• a fancy word for make-up
• a volatile chemical
• the substances you start with in a chemical reaction
• the substances that are formed by a chemical reaction

Tags

NGSS.MS-PS1-2

Balancing the following:

____ Al + ____ HCl → ____ AlCl₃ + ____ H₂

• 1,3,1,2
• 2,3,2,3
• 2,6,2,3
• 3,2,6,2

Tags

NGSS.MS-PS1-5