PE Diagram

What letter represents the energy of the products?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

What letter represents the activation energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

What is the energy of the activated complex?

• 75 kJ

• 225 kJ

• 300 kJ

• 225 kJ

Tags

NGSS.HS-PS1-4

List the steps of the scientific method

d

e

f

c

b

a

Draw conclusions

Ask a question

Communicate results

Form a hypothesis

Analyze results

Conduct experiment

Tags

NGSS.MS-PS2-2

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

On the diagram, which letter represents the activation energy for the reaction?

• A

• B

• C

Tags

NGSS.HS-PS1-4

Which of the two reaction profiles shows the catalysed reaction?

• A

• B

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-2

What is the ΔH of this reaction?

• 40 kJ

• 20 kJ

• 80 kJ

• -60 kJ

Tags

NGSS.HS-PS1-4

What is the PE of the reactants?

• 100 kJ

• 175 kJ

• 50 kJ

• 75 kJ

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

At which point is kinetic energy greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5