Equilibrium

Equilibrium

10th - 12th Grade

10 Qs

quiz-placeholder

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Equilibrium

Equilibrium

Assessment

Quiz

Chemistry

10th - 12th Grade

Medium

NGSS
HS-PS1-6, HS-PS1-5, HS-PS1-2

Standards-aligned

Created by

Megan Kehoe

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two factors to look for when determining if the reaction is at equilibrium?

Forward reaction rate is faster than the reverse and concentrations are equal
Forward and reverse reaction rates are equal and concentration is conctant
Forward and revers reaction rates are equal and concentration is equal
Forward reaction rate is faster than the reverse and concentration is equal

Tags

NGSS.HS-PS1-6

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

This symbol indicates that a reaction is ____________

reversible
irreversible

Tags

NGSS.HS-PS1-6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When the rate of the forward reaction is equal to the rate of backward reaction, the system is said to be in

Chemical Equilibrium
Chemical Balance
Chemical Constant
Chemical Reaction

Tags

NGSS.HS-PS1-6

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

At what time the reaction reached equilibrium?

t1
t2
t3
t4

Tags

NGSS.HS-PS1-6

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Identify the labels (a) and (b) on the graph.

a is concentration of reactants and b is the concentration of product
a is concentration of product and b is the concentration of reactant
a is the volume of reactants and b is the volume of product
a the mass of reactants and b is the mass of product

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define chemical equilibrium.

A reaction is reversible.
The concentration of the reactants is equal to the concentration of the products.
The rate of a forward reaction is equal to the rate of the reverse reaction.
The reaction stops and no further change in concentration occurs.

Tags

NGSS.HS-PS1-6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do catalysts increase the rate of reaction?

The frequency of collisions is the increased
the activation energy is lowered
the energy of collisions is increased
Both the frequency and energy of collisions is increased

Tags

NGSS.HS-PS1-5

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