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This quiz contains 11 questions from a mix of 1 subtopics.

Le Chatelier's principle states that if you change the conditions of a r reaction, the position of e will shift to try and c the change.

eversible
quilibrium
ounteract

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3

At equilibrium, if there are more products than reactants, we say that the position of equilibrium lies:

To the left

In the middle

To the right

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What are the three factors that affect the position of equilibrium?


(Press continue when you're ready to check your answer)

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Diagram showing the shift in equilibrium position with an increase in pressure.

An increase in pressure moves the position of equilibrium to whichever side has the:

smaller number of gas molecules

larger number of gas molecules

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In a reversible reaction, changes in pressure will only affect substances that are in the:

gaseous state

liquid state

solid state

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increases / decreases


Le Chatalier's principle states that if you increase the pressure, the position of equilibrium will shift to the side that the pressure back down. 

decreases

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N2(g) + 3H2(g) ⇋ 2NH3(g)


In the above reaction, increasing the pressure will:

Have no effect on the position of equilibrium

Shift the position of equilibrium to the left

Shift the position of equilibrium to the right

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H2(g) + I2(g) ⇋ 2HI(g)


In the above reaction, increasing the pressure will:

Shift the position of equilibrium to the right

Shift the position of equilibrium to the left

Have no effect on the position of equilibrium

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2NO2(g) ⇋ N2O4(g) (-24 kJ mol-1)


In the reaction above, the (-24 kJ mol-1) tells us that the forward reaction is:

Exothermic

Endothermic

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2NO2(g) ⇋ N2O4(g) (-24 kJ mol-1)


In the above reaction, increasing the temperature will:

Have no effect on the position of equilibrium

Shift the position of equilibrium to the left

Shift the position of equilibrium to the right

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N2(g) + 3H2(g) ⇋ 2NH3(g)


For the above reaction, increasing the concentration of nitrogen will:

Shift the position of equilibrium to the right

Shift the position of equilibrium to the left

Have no effect on the position of equilibrium

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