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Q 1/20
Score 0
According to Le Chatelier's principle, what happens to a system at equilibrium if the concentration of a reactant is increased?
30
The equilibrium remains unchanged.
The equilibrium shifts to the left, favoring reactant formation.
The equilibrium shifts to the right, favoring product formation.
The reaction stops completely.
Q 2/20
Score 0
What effect does increasing the temperature have on an exothermic reaction at equilibrium?
30
The equilibrium shifts to the right, favoring the products.
The equilibrium remains unchanged.
The reaction rate increases indefinitely.
The equilibrium shifts to the left, favoring the reactants.
20 questions
Q.
According to Le Chatelier's principle, what happens to a system at equilibrium if the concentration of a reactant is increased?
1
30 sec
Q.
What effect does increasing the temperature have on an exothermic reaction at equilibrium?
2
30 sec
Q.
When a catalyst is added to a system at equilibrium, what effect does it have?
3
30 sec
Q.
If a gas reaction at equilibrium has a decrease in volume, what effect does it have on the position of the equilibrium?
4
30 sec
Q.
What will happen to the equilibrium position if the concentration of a product is decreased in a reversible reaction?
5
30 sec
Q.
In an equilibrium reaction, what effect does the addition of an inert gas at constant volume have on the system?
6
30 sec
Q.
If a reversible reaction is exothermic and the temperature is increased, which direction will the equilibrium shift?
7
30 sec
Q.
In the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens to the equilibrium position if more nitrogen gas (N2) is added?
8
30 sec
Q.
In a system at equilibrium, if the pressure is increased by reducing the volume, which of the following will most likely occur?
9
30 sec
Q.
In a chemical equilibrium, what happens if a reactant is removed from the system?
10
30 sec
Q.
According to Le Chatelier's principle, what happens to an equilibrium system when you increase the concentration of reactants?
11
30 sec
Q.
What effect does increasing temperature have on an exothermic reaction at equilibrium?
12
30 sec
Q.
In a closed system at equilibrium, what happens when the volume of the system is decreased, assuming there are more moles of gas on the reactants side?
13
30 sec
Q.
What is the effect of adding an inert gas to a system at equilibrium?
14
30 sec
Q.
If a dynamic equilibrium is established between nitrogen gas (N2) and nitrogen dioxide (NO2) in a closed container, what happens if the temperature is decreased?
15
30 sec
Q.
What effect does increasing the concentration of a product have on the equilibrium of a reaction?
16
30 sec
Q.
In the context of equilibrium, what does the term 'dynamic equilibrium' mean?
17
30 sec
Q.
If a reaction at equilibrium is exothermic and the pressure is increased, what will be the effect on the equilibrium position?
18
30 sec
Q.
In a reaction at equilibrium, what effect does lowering the temperature have on an endothermic reaction?
19
30 sec
Q.
What happens to the equilibrium position of a reaction when both the concentration of a reactant and the temperature are increased simultaneously?
