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Laabri

Chemical equilibrium combined

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Last updated over 1 year ago
20 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Hydrogen gas and iodine gas are introduced into a flask, which is then sealed and allowed to reach dynamic chemical equilibrium.

The balanced equation is:

H2(g) + I2(g) ⇌ 2HI(g).

Which one of the graphs shows how the rates of the forward and reverse reactions change with time?

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2.

Which of the following is true regarding the concentration of products, for a chemical system at equilibrium?

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3.

For the following system at equilibrium, which statement is INCORRECT?

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4.

Consider the amount (mol) vs. time graph for the closed system containing the gases of equation A at room temperature. The volume of the container is 1 dm3.

At which of the following time(s) is the the system NOT in equilibrium?

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5.

A disturbance to temperature was made at 10 minutes. Which reaction was favoured?

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6.

Therefore, considering your answer above, what temperature change was made at 10 minutes?

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7.

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8.

Given the following system at equilibrium:

The addition of Cl- ions will cause the concentration of Ag+(aq) to

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9.

Given the following system at equilibrium:

Increasing the concentration of N2(g) will increase the forward reaction rate due to:

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10.

Consider this system at equilibrium:

What colour could the gas mixture possibly be at equilibrium?

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11.

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12.

What disturbance was made at 8 minutes?

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13.

What disturbance was made at 15 minutes?

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14.

Which reaction was favoured at 15 minutes?

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15.

Increasing the pressure in a gaseous system at equilibrium causes .....

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16.

Consider the Haber reaction system at equilibrium.

What happens when pressure is decreased?

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17.

Consider the following system in equilibrium.

Pressure is increased by reducing the volume of the container.

What does NOT happen as a result?

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18.

Consider the following graph.

What is NOT a possible cause of the disturbance?

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19.

Consider the following system at equilibrium which experienced a disturbance.

What was the disturbance?

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20.

What is the equilibrium constant Kc expression for the following balanced equation?