Rates of Reaction

Rates of Reaction

University

15 Qs

quiz-placeholder

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Rates of Reaction

Rates of Reaction

Assessment

Quiz

Chemistry

University

Easy

Created by

Tristen Greenwood

Used 2+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why does a higher temperature increase the rate of a reaction?

it increases both the frequency and energy of particle collisions

it only increases the frequency of particle collisions

it only increases the energy of particle collisions

it reduces the activation energy of the reaction

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Grinding a effervescent tablet into powder increases the rate of reaction due to increased

concentration

surface area

temperature

reactants

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Adding a catalyst ___________ the activation energy.

Raises

Lowers

Doesn't affect

Inreases

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The minimum amount of energy needed for colliding particles to react is called

Chemical Energy

Kinetic Energy

Activation Energy

Potential Energy

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which graph shows the effect of increasing temperature on the rate of reaction of calcium carbonate with dilute hydrochloric acid?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why does a catalyst increase the rate of reaction?
it produces extra energy for the reactants
it increases the speed of the reactant particles
it increases the frequency of particle collisions
it reduces the activation energy of the reaction 

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why don't all collisions between particles cause a reaction?
the particles also need to collide with a catalyst
not all the particles collide with enough energy
not all the particles collide at a high enough temperature
the particles need to collide with each other twice

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