Quiz about Potential Energy Diagrams

Question 1

What is the activation energy?

Accepted Answer

75 kJ

Answer

100 kJ

Answer

175 kJ

Answer

50 kJ

Question 2

At which point would there be the MOST Potential Energy?

Accepted Answer

Point D

Answer

Point A

Answer

Point B

Answer

Point C

Question 3

At which point would there be the MOST Potential Energy?

Accepted Answer

Point A

Answer

Point B

Answer

Point C

Answer

Point D

Question 4

At which point would there be the LEAST Potential Energy?

Accepted Answer

Point B

Answer

Point A

Answer

Point C

Answer

Point D

Question 5

At which point would there be the LEAST Potential Energy?

Accepted Answer

Point B

Answer

Point A

Answer

Point C

Answer

Point D

Question 6

What happens to Potential Energy as is travels from Point D to Point B?

Accepted Answer

Potential Energy decreases

Answer

Potential Energy increases

Question 7

What happens to Potential Energy as is travels from Point B to Point D?

Accepted Answer

Energy is lost due to Friction

Answer

Energy is gained due to Friction

Question 8

What would be the purpose of starting a roller coaster with a high hill as shown?

Accepted Answer

Less energy for a safer ride.

Answer

More energy for the roller coaster to do more things.

Question 9

The illustration shows a roller coaster There are four points labeled W, X, Y and Z. Which point would have the most potential energy?

Accepted Answer

Z

Answer

W

Answer

X

Answer

Y

Question 10

At which point does the ball has the greatest gravitational potential energy (GPE)?

Accepted Answer

A

Answer

G

Answer

D

Answer

C

Answer

G

Question 11

The energy of a pendulum is recorded at different positions in the table below. Use the data in the table to determine the amount of kinetic energy the pendulum had at Position 2.

Accepted Answer

46.5 J

Answer

33.3 J

Answer

50 J

Answer

54.1 J

Question 12

What does a potential energy diagram represent in a chemical reaction?

Accepted Answer

The change in potential energy of the reactants and products

Answer

The change in kinetic energy of the reactants and products

Answer

The change in temperature during the reaction

Answer

The change in pressure during the reaction

Question 13

In a potential energy diagram, what does the peak of the curve represent?

Accepted Answer

The activation energy of the reaction

Answer

The energy of the reactants

Answer

The energy of the products

Answer

The equilibrium point of the reaction

Question 14

How can a catalyst affect a potential energy diagram?

Accepted Answer

It decreases the activation energy, lowering the peak of the curve

Answer

It raises the potential energy of the reactants

Answer

It lowers the potential energy of the products

Answer

It increases the overall energy change of the reaction

Question 15

Which of the following statements is true about exothermic reactions as shown in a potential energy diagram?

Accepted Answer

The potential energy of the reactants is higher than that of the products

Answer

The potential energy of the products is higher than that of the reactants

Answer

The potential energy of the reactants and products is the same

Answer

The potential energy diagram does not show energy changes

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