LQ66 KE Le Chatelier's

LQ66 KE Le Chatelier's

11th - 12th Grade

15 Qs

quiz-placeholder

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LQ66 KE Le Chatelier's

LQ66 KE Le Chatelier's

Assessment

Quiz

Chemistry

11th - 12th Grade

Hard

NGSS
HS-PS1-6, HS-PS1-5, HS-PS1-4

+1

Standards-aligned

Created by

Pema Wangdak

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

At what time (in seconds) is equilibrium established?

0 seconds
1 second
5 seconds
10 seconds

Tags

NGSS.HS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Le Chaltelier's Principle states that if a chemical system at equilibrium is stressed,

the system will adjust to increase the stress
the system will adjust to reduce the stress
the system will not adjust

Tags

NGSS.HS-PS1-6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO2(g) + O2(g) <−>  SO3(g)
If the concentration of 
SO2(g)  is increased, the equilibrium of the reaction will ___________.

shift to the left
shift to the right
not shift

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
energy +  N2(g)  +  O2(g)  <−>  2NO(g)
If  O2(g) is removed, the  concentration of N2 will _______.

increase
decrease
remain the same
double

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A +  B <--> C + D   ΔH= 151kJ
Rewrite the above equation with energy as a reactant or product:

A +  B <--> C + D + energy
A +  B + energy <--> C + D 

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following will increase the amount of O2?For the reaction below;
2 SO3 (g)  +  Heat ⇋ 2 SO2 (g)  +  O2 (g)

Adding SO3
Adding heat
Removing SO2
All the above 

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Consider the following reaction: 
Heat  + 2NaClO3(s)  2NaCl(s) + 3O2(g)    Which of the following will cause a shift to the right?

adding more O2
adding more NaCl
removing some NaClO3
increasing the temperature

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