AP Chemistry Energy Profile

AP Chemistry Energy Profile

11th - 12th Grade

32 Qs

quiz-placeholder

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AP Chemistry Energy Profile

AP Chemistry Energy Profile

Assessment

Quiz

Chemistry

11th - 12th Grade

Hard

NGSS
HS-PS1-4, HS-PS1-5, HS-PS3-4

+2

Standards-aligned

Created by

Charles Martinez

FREE Resource

32 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
What type of reaction is shown in the reaction pathway?
endothermic reaction
exothermic reaction

Tags

NGSS.HS-PS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image
B represents
energy absorbed
energy released

activation energy (forward reaction)

activation energy (backwards reaction)

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the activation energy?

The minimum kinetic energy of the products

The energy of the reactants

The minimum kinetic energy needed by colliding reactants to form the products

The energy lost in the reaction as particles collide to form the products

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False:

The magnitude of Ea is related to the strength and number of existing bonds in reactants

True

False

Tags

NGSS.HS-PS1-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
Shown are the energy profiles of two reactions.
The reaction with the lowest activation energy is
A + B → C + D
X → Y + Z
C + D → A + B
Z + Y → X

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following are true when a catalyst is used in a chemical reaction?

  • Enthalpy of reaction is lower.
  • Activation energy for the reaction is lower.
  • Enthalpy of reaction is same.
  • Activation energy for the reaction is lower.
  • Enthalpy of reaction is the lower.
  • Activation energy for the reaction is same.
  • Enthalpy of the reaction is same.
  • Activation energy for the reaction is same.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following best explains how a catalyst increases the rate of reaction?

a catalyst provides an alternative pathway of lower activation energy, thus increases the proportion of effective collisions

a catalyst provides an alternative pathway of higher activation energy, thus increases the proportion of effective collisions

a catalyst provides an alternative pathway of lower activation energy for the forward reaction only

a catalyst provides an alternative pathway of lower activation energy for the back reaction only

Tags

NGSS.HS-PS1-5

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