Balancing and Classifying Chemical Reactions

Name this reaction_, CO₂ + H₂O --> H₂CO₃ 

• Decomposition
• Single Replacement
• Synthesis
• Combustion

Balance this reaction: ____ CH₄ + ____ O₂ ---> ____ CO₂ + ____ H₂O

• 2,1,3,1

• 1,2,1,2

• 1,2,2,1

• 2,1,1,2

Tags

NGSS.HS-PS1-7

Balance this reaction: ____ RbNO₃ + ____ BeF₂ ----> ____ Be(NO₃)₂ + ____ RbF

• 1,1,1,1
• 1,2,1,1
• 2,1,1,2
• 2,1,2,1

Tags

NGSS.HS-PS1-7

Name this reaction, Cl₂ + 2KI _-->  I₂ + 2KCl

• Synthesis
• Single Replacement
• Double Replacement
• Decomposition

What type of reaction is this?

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

What type of reaction is this?

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

What type of reaction is this?
2Pb(NO₃)₂ --> 2PbO + 4NO₂ + O₂

• Synthesis 
• Decomposition
• Single displacement
• Decombustion

What type of reaction is this?
C₃H₆O + 4 O₂ -->3 CO₂ + 3 H₂O 

• single replacement
• synthesis
• combustion
• decombustion

In the equation,          2Mg + O₂ ---> 2MgO, which are the reactants?

• Mg and O
• MgO
• Mg and MgO
• O and MgO

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What does a triangle symbol means for a chemical reaction?

• Heat was added to the reaction.

• A catalyst was used.

• There is no reaction.

• There is a reaction.

Tags

NGSS.HS-PS1-4