Equilibrium Tutorial
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Lee Chia
Used 9+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____NO2 (g) ⇌ _____NO (g) + _____O2 (g) ∆H°rxn = 114.4 kJ
The correct coefficients to use in balancing this equation for equilibrium purposes would be 2NO2 : 2NO: 1O2.
True
False
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____NO2 (g) ⇌ _____NO (g) + _____O2 (g) ∆H°rxn = 114.4 kJ
The correct coefficients to use in balancing this equation for equilibrium purposes would be 1NO2 : 1NO: 1/2O2.
True
False
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____NO2 (g) ⇌ _____NO (g) + _____O2 (g) ∆H°rxn = 114.4 kJ
If Kc = 4.0 x 10-13 at 298 K, the reaction mixture at equilibrium at 298 K consists mainly of
Reactants
Products
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____NO2 (g) ⇌ _____NO (g) + _____O2 (g) ∆H°rxn = 114.4 kJ
If Kc = 48 at 1000 K, the reaction mixture at equilibrium at 1000 K consists mainly of
Reactants
Products
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____NO2 (g) ⇌ _____NO (g) + _____O2 (g) ∆H°rxn = 114.4 kJ
If Kc = 4.0 x 10-13 at 298 K, the Kc value for the reaction at 298°C should be
higher
lower
the same
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____NO2 (g) ⇌ _____NO (g) + _____O2 (g) ∆H°rxn = 114.4 kJ
If Kc = 48 at 1000 K, the Kc value for the reaction at 1000°C should be
higher
lower
the same
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_____NO2 (g) ⇌ _____NO (g) + _____O2 (g) ∆H°rxn = 114.4 kJ
If NO2 (g) were added to the reaction vessel without affecting other property of the system, the equilibrium should
shift forward
shift in reverse
not affected
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