CW9: Exothermic and Endothermic reactions

What type of reaction is shown in this energy profile diagram

• Exothermic

• Endothermic

Tags

NGSS.HS-PS1-4

What type of reaction is shown in the energy profile diagram attached?

• Exothermic

• Endothermic

• Activation Energy

• Products

Tags

NGSS.HS-PS1-4

What does 'A' represent on the energy profile diagram attached?

• Products

• Energy lost

• Activation Energy

• Overall change in energy

Tags

NGSS.HS-PS1-4

What does 'X' represent in the energy profile shown here?

• Energy

• Products

• Reactants

• Reaction progess (time)

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

What does 'Z' represent in the energy profile shown here?

• Reactants

• Energy

• Activation energy

• Products

What does 'W' represent in the energy profile diagram shown?

• Energy

• Reactants

• Products

• Activation energy

What does 'Q' represent in the energy profile shown here?

• Energy

• Reaction rate (time)

• Reactants

• Activation energy

An instant icepack is an example of what type of reaction?

• Endothermic

• Exothermic

• Acid base

• Neutralisation

Tags

NGSS.HS-PS1-4

Burning a match is an example of what type of reaction?

• Endothermic

• Exothermic

• Neutralisation

• Physical

Tags

NGSS.HS-PS1-4

What effect will a catalyst or enzyme have on a reaction?

• Reduce the activation energy required

• Increase the activation energy required

• No effect

• Increase the time taken to react