Rates of Chemical Reactions

Rates of Chemical Reactions

University

10 Qs

quiz-placeholder

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Rates of Chemical Reactions

Rates of Chemical Reactions

Assessment

Quiz

Chemistry

University

Medium

NGSS
HS-PS1-5, MS-PS1-2, HS-PS1-1

+1

Standards-aligned

Created by

Samantha Lewis

Used 18+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do chemical reactions occur?

Slowly over time

Within seconds

At very different rates

By mixing chemicals

Tags

NGSS.HS-PS1-5

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are at least TWO variables that affect the rate of a reaction?

Temperature

Concentration

Catalyst

The elements present

Tags

NGSS.HS-PS1-5

3.

DRAG AND DROP QUESTION

1 min • 1 pt

Adding a catalyst ​ (a)   the activation energy.

lowers
raises
stabilizes
disjoints
confuses

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an increase in concentration do to the probability of a productive collision?

Increases

Decreases

Stabilizes

None of these

Tags

NGSS.HS-PS1-5

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Why is the initial rate of reaction investigated?

(CHECK ALL THAT APPLY)

Because it is easy to determine initial concentrations of reactants

An equation can be written that relates reaction rate to the initial concentration of all the reactants

Because it is easy to determine final concentrations of reactants

Because it is easy to determine initial concentrations of the products

Tags

NGSS.HS-PS1-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the order of each component of the experiment?

Change the concentration of only one component at a time.

Change the concentration of two components at a time

Change the concentration of multiple components at a time

None of these

Tags

NGSS.HS-PS1-5

7.

DROPDOWN QUESTION

1 min • 1 pt

The indicator is ​ (a)   for the reaction.

starch
sugar
salt
unknown

Tags

NGSS.MS-PS1-2

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