IB Chem SL Equilibrium Review

Quiz
•
Chemistry
•
11th Grade - University
•
Medium
Standards-aligned
kate corwith
Used 189+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
7.3 × 1034
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the equilibrium constant expression for the following equation?
2NO2 (g) + F2 (g) ⇌ 2NO2F (g)
Tags
NGSS.HS-PS1-6
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Consider the following equilibrium reaction.
2N2O (g) + O2 (g) ⇌ 4NO (g) ∆H = +16 kJ
Which change will move the equilibrium to the right?
Decrease in pressure
Decrease in temperature
Increase in [NO]
Decrease in [O2]
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Iodine and bromine gases were mixed and allowed to reach equilibrium.
What is the value of the equilibrium constant?
*Challenge Question*. Consider how much reactant has been used up and the coefficients to determine x.
0.05
1
4
10
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which factor does not affect the position of equilibrium in this reaction?
2NO2(g) ⇌ N2O4(g) ΔH = −58 kJ mol−1
Change in volume of the container
Change in temperature
Addition of a catalyst
Change in pressure
Tags
NGSS.HS-PS1-6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Consider the reaction:
2N2O (g) ⇌ 2N2 (g) + O2 (g)
The values of Kc at different temperatures are given in the table.
Which statement is correct at higher temperature?
The forward reaction is favored.
The reverse reaction is favored.
The rate of the reverse reaction is greater than the rate of the forward reaction.
The concentration of both reactants and products increase.
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The equilibrium constant for
N2(g) + 3H2(g) ⇌ 2NH3(g) is K.
What is the equilibrium constant for this equation?
2N2(g) + 6H2(g) ⇌ 4NH3(g)
K
2K
K2
2K2
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