Chemical reactions

Two Reactants and One Product

• Decomposition
• Synthesis
• Combustion
• Single Replacement

Tags

NGSS.HS-PS1-2

Always starts with a Hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 

• Decomposition
• Synthesis
• Combustion
• Single Replacement

Tags

NGSS.MS-PS1-5

One element replaces another in a compound.

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

This pictures simulates what type of reaction?

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Ca(OH)₂ yields CaO + H₂O
1. Balance the equation
2. What type reaction is this?

• 1:1:1
  Synthesis
• 1:1:1 
  Double Replacement
• 1:1:1
  Decomposition
• 1:2:1
  Decomposition

Tags

NGSS.HS-PS1-7

What type a reaction is taking place in this picture?

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Tags

NGSS.HS-PS1-2

Which of the following shows the correct way to balance the chemical equation?
Fe + O₂ -> Fe₂O₃

• 4Fe + 3O₂ -> 2Fe₂O₃
• 2 Fe + 3O₂ -> Fe₂O₆
• 4 Fe + O₆ -> 2Fe₂O₃
• None of the options are correctly balanced.

Tags

NGSS.HS-PS1-7

What does the Law of Conservation of Mass state?

• Matter cannot be gained or lost in a chemical reaction.
• Matter can only be lost in a chemical reaction.
• Matter can only be gained in a chemical reaction.
• Matter can be gained and lost in a chemical reaction. 

Tags

NGSS.HS-PS1-7

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Tags

NGSS.MS-PS1-5

Is the following equation balanced?
2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

• yes
• no

Tags

NGSS.HS-PS1-7