Types of reactions

The number of atoms you begin with in a chemical reaction...

• must be the same as the number of atoms you end with

• must be an even number

• can be different to the number you finish with

Tags

NGSS.MS-PS1-5

The right side of the equation below is called the

• products

• reactants

Tags

NGSS.HS-PS1-6

Multiple reactants and one product are a sign of which reaction?

• Decomposition

• Synthesis

• Combustion

• Single Replacement

The following is what type of reaction:
PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

What is decomposition?

• putting substances together
• breaking substances apart
• element replacing another element in a compoud
• burning of a subtance

Tags

NGSS.MS-PS1-2

Ions in two compounds switch in which type of reaction?

• Synthesis

• Combustion

• Single Replacement

• Double Replacement

3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al

• Synthesis
• Decomposition
• Single Displacement
• Double Displacement

Tags

NGSS.MS-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

When the equation is balanced what are the correct coefficients?

• 1, 1, 2

•  1, 3, 1

• 2, 2, 3

• 2, 3, 2

Tags

NGSS.HS-PS1-7

What are the correct coefficients when the equation is balanced?

• 2, 3, 4

• 4, 3, 2

• 1, 1, 2

• 2, 1, 1

Tags

NGSS.MS-PS1-5