Catalysts and Activation Energy

Catalysts and Activation Energy

12th Grade

25 Qs

quiz-placeholder

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Catalysts and Activation Energy

Catalysts and Activation Energy

Assessment

Quiz

Science

12th Grade

Practice Problem

Medium

NGSS
HS-PS1-5, HS-PS1-4, HS-LS1-7

Standards-aligned

Created by

Lisa Thompson

Used 3+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What do you call the energy that is required to start a reaction?

Alternative energy

Activation energy

Atmospheric energy

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How does a catalyst work in speeding up a reaction?

By lowering the activation energy or reaction

by making them more available

by giving them more energy

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

4.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

The activation energy needed for a chemical reaction is decreased by a

catalyst

reactant

product

substrate

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Many of the proteins in the human body are enzymes that catalyze chemical reactions. What is the relationship between enzymes and activation energy?

When an enzyme catalyzes a reaction, it increases the activation energy of the reaction

When an enzyme catalyzes a reaction, it increases the activation energy of the product.

When an enzyme catalyzes a reaction, it decreases the activation energy of the reaction.

When an enzyme catalyzes a reaction, it does not affect the activation energy of the

reaction

Tags

NGSS.HS-PS1-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the relationship between enzymes and activation energy?

When an enzyme catalyzes a reaction, it increases the activation energy of the reaction

When an enzyme catalyzes a reaction, it increases the activation energy of the product.

When an enzyme catalyzes a reaction, it decreases the activation energy of the reaction.

When an enzyme catalyzes a reaction, it does not affect the activation energy of the

reaction

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Many of the proteins in the human body are enzymes that catalyze chemical reactions. What is the relationship between enzymes and activation energy?

When an enzyme catalyzes a reaction, it increases the activation energy of the reaction

When an enzyme catalyzes a reaction, it increases the activation energy of the product.

When an enzyme catalyzes a reaction, it decreases the activation energy of the reaction.

When an enzyme catalyzes a reaction, it does not affect the activation energy of the

reaction

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