Chemical Reaction Quiz

Chemical Reaction Quiz

University

15 Qs

quiz-placeholder

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Chemical Reaction Quiz

Chemical Reaction Quiz

Assessment

Quiz

Education

University

Practice Problem

Hard

Created by

LEA JACINTO

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the suggestion of Svante Arrhenius in 1888 about chemical reaction?

Activated complex is located at the peak of the energy diagram for a reaction.

Catalyst may be recovered unchanged at the end of the process.

Particles must possess a certain minimum amount of kinetic energy in order to react.

Smaller pieces have a greater surface area, thus, providing much greater contact among the reactants and effecting more collisions.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements best describes Collision Theory?

Atoms or molecules must collide with sufficient amount of energy in order to react.

Catalyst can be recovered unchanged at the end of the process

Increasing the concentration of a reactant increases the rate of reaction.

Smaller pieces have a greater surface area, thus, providing much greater contact among the reactants and effecting more collisions.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How will you increase the rate of a chemical reaction?

add catalyst

decrease the concentration of reactants

decrease the temperature of reactants

increase the surface area of reactants

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The amount of energy required to break the bonds between the reacting molecules is known as _______.

Activated Complex

Activation Energy

Collision Theory

Law of Conservation of Mass

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

One of the factors that affect the rate of chemical reaction is concentration of solution. Describe this factor.

It is the measure of the number of particles of solute in a given volume of solution.

It is located at the peak of the energy diagram for a reaction.

It is the amount of energy needed for molecules to react.

It is needed to break the bonds of the reactants to form new products or new substances.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What refers to the peak of the energy diagram for a chemical reaction?

Activated Complex

Activation Energy

Collision Theory

Law of Conservation of Mass

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How will crushing a solid into a powder increase reaction rate?

The activation energy barrier will be lowered.

The orientation of colliding particles will be improved.

The particles will collide with more energy.

The powdered form has more surface area.

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