Endothermic/Exothermic Reactions & Reaction Profiles

The minimum energy particles must have to react is the

• acting energy

• active energy

• activation energy

A reaction profile shows....

• the relative difference in temperature of reactants and products

• the relative difference in amounts of reactants and products

• the relative difference in energy of reactants and products

• the relative difference in volume of reactants and products

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Bond making is

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

Bond breaking is..

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

Which letter shows the activation energy

• A

• B

• C

Tags

NGSS.HS-PS1-4

In a reaction the energy required to break bonds is less than the energy released when bonds are made. What type of reaction is this?

• Exothermic

• Endothermic

Tags

NGSS.HS-PS1-4

Is this showing an endothermic or an exothermic reaction?

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

Which letter shows the heat change?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS3-4

Which letter represents the reactants?

• A

• B

• C

• D

• E

Which letter represents the products?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS1-4