Reaction Diagrams Practice

What type of reaction is this?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

What letter represents the activation energy?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

A substance that increases speed of chemical reaction without being being changed is called:

• Catalyst
• Acid
• Base
• pressure

Tags

NGSS.HS-PS1-5

Activation energy is required to start a chemical reaction. What is activation energy?

• The energy needed for a reaction to occur
• The minimum amount of energy needed for a reaction to potentially occur
• The energy added by a catalyst
• The energy possessed by the products

Tags

NGSS.HS-PS1-4

Which interval represents the potential energy of the reactants in this diagram?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

What is represented by interval C?

• Potential energy of the reactants

• Potential energy of the products

• Activation Energy

• Heat of reaction

Tags

NGSS.HS-PS1-4

Which interval represents the potential energy of the products?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

Which interval represents the activation energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

What does A + B represent?

• Reactants

• Products

• Activation Energy

• Heat of reaction

Tags

NGSS.HS-PS1-4

Is this reaction endothermic or exothermic?

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4