How would the following changes affect the amounts of material in the system sho
ID: 1081560 • Letter: H
Question
How would the following changes affect the amounts of material in the system shown below initially at equilibrium.
CO (g) + 2 H2 (g) CH3OH (l) H = –128 kJ
When the concentration of H2 in the container is increased,
the amount of CO in the container will:
Increase
Decrease
Remain the Same
The pressure in the container is decreased by expanding the system volume.
the amount of H2 in the container will:
Increase
Decrease
Remain the Same
When CH3OH is added to the container,
the amount of CO in the container will:
Increase
Decrease
Remain the Same
When the temperature in the container is decreased,
the amount of CH3OH in the container will:
Increase
Decrease
Remain the Same
Explanation / Answer
CO (g) + 2 H2 (g) CH3OH (l) H = –128 kJ
When the concentration of H2 in the container is increased,
the amount of CO in the container will: Decrease
The conc of reactants are increases the equilibrium shift to right side.
2.The pressure in the container is decreased by expanding the system volume
the amount of H2 in the container will:Increase
When pressure is decreases the volume or no of moles of increases side shift the equilibrium.
3.
When CH3OH is added to the container,
the amount of CO in the container will:Increase
The conc of products increases the equilibrium shift to left side.
4.
When the temperature in the container is decreased,
the amount of CH3OH in the container will:Increase
The forward reaction is exothermic reaction . The exothermic reaction takes place the low temperature.
The temperature is decreases amount of CH3OH is increases.
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