Activation Energy

Are the products or reactants of this reaction storing more energy in their chemical bonds?

• Both storing the same

• No way to tell

• Products

• Reactants

Tags

NGSS.HS-PS1-4

Energy required to get a reaction started

• Activation Energy

• Enzymes

Anything that lowers activation energy

• Catalyst

• Reactions

Tags

NGSS.HS-PS1-4

The ______________is required to break the bonds of the reactants.

• Carbonic energy

• Activation energy

• Plutonic energy

• Energi Gaib

Tags

NGSS.HS-PS1-4

The minimum amount of energy needed for colliding particles to react is called

• Chemical Energy

• Kinetic Energy

• Activation Energy

• Potential Energy

The following graph shows two different reaction pathways for the same overall reaction at the same temperature. Which pathway is slower and why?

• Red, because the activation energy is larger

• Blue, because the activation energy is lower

• both reaction progress at the same rate

Tags

NGSS.HS-PS1-4

The energy barrier that must be overcome for a chemical reaction to occur is known as

• Activation Energy

• Potential Energy

• Kinetic Energy

• Thermal Energy

Tags

NGSS.HS-PS1-4

Which of the following factors can lower the activation energy of a reaction?

• Temperature

• Catalyst

• Pressure

• Concentration

In an exothermic reaction, the activation energy is

• Higher than the energy released

• Lower than the energy released

• Equal to the energy released

• Unrelated to the energy released

The Arrhenius equation relates the rate constant of a reaction to

• Activation Energy and Temperature

• Pressure and Volume

• Concentration and Time

• Mass and Volume

Tags

NGSS.HS-PS1-5