Triple Chemistry- Endo and Exothermic Reactions

What is an exothermic reaction (2)

• Absorbs energy

• Releases energy

• Temperature increases

• Temperature decreases

Tags

NGSS.HS-PS1-4

What is an endothermic reaction (2)

• Absorbs energy

• Releases energy

• Temperature increases

• Temperature decreases

Tags

NGSS.HS-PS1-4

What would indicate an endothermic reaction?

• More energy in reactants than the products

• Less energy in the reactants than the products

Tags

NGSS.HS-PS1-4

What would indicate an exothermic reaction?

• More energy in reactants than the products

• Less energy in the reactants than the products

Tags

NGSS.HS-PS1-4

What is the activation energy?

• The energy at the start of the reaction

• The energy at the end of the reaction

• The energy needed to start the reaction

• The total energy change of the reaction

Tags

NGSS.HS-PS1-4

How can the activation energy be decreased?

• Increase the temperature

• Increase the surface area

• Use a catalyst

• Use more of the reactants

Tags

NGSS.HS-PS1-5

How would the temperature change in an endothermic reaction?

• Increases.

• Decreases.

• Stays the same.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5