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11 Dec 2019

For the given reaction, predict what effect each of the changes listed will have on these the equilibrium. Which direction will the equilibrium shift?

4NO+6H20-->4NH3+5O2 △H=905kj/mol

a) an increase in the temperature

b) a decrease in the volume of the container

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Jamar Ferry
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13 Dec 2019

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Related questions

Consider the following equilibrium:

4NO(g) + 6H2O(g) ⇔ 4NH3(g) + SO2(g); ΔH > 0

What would you expect to happen if the temperature of the reaction vessel was lowered?

A. The partial pressure of H2O would decrease because the equilibrium would shift to the right

B. The partial pressure of NH3 would increase because the equilibrium would shift to the left

C. The partial pressure of NO would increase because the equilibrium would shift to the left

D. The partial pressure of SO2 would increase because the equilibrium would shift to the right

E. The partial pressures will all remain the same as lowering the temperature will not affect the equilibrium position

Part A

For the following systems at equilibrium

A:B:2NOCl(g)H2(g)+I2(g)??2NO(g)+Cl2(g)2HI(g)

classify these changes by their effect.

PLEASE MATCH each of (a)-(d) to either leftward shift, rightward shift or no shift

a) system A - increase container size

b) system A - decrease container size

c) system B- increase container size

d) system B- decrease container size

LEFTWARD SHIFT

NO SHIFT

RIGHTWARD SHIFT

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Part B

For the following systems at equilibrium

C:D:CaCO3(s)PCl3(g)+Cl2(g)??CaO(s)+CO2(g)PCl5(g)?H=+178 kJ/mol?H=?88 kJ/mol

classify these changes by their effect.

PLEASE MATCH each of (a)-(d) to either leftward shift, rightward shift or no shift

a) system C- increase temperature

b) system C- decrease temperature

c) system D- increase temp

d) system D- decrease temp

LEFTWARD SHIFT

NO SHIFT

RIGHTWARD SHIFT

QUESTION 7

Consider the following reaction at equilibrium. What effect will increasing the pressure of the reaction mixture have on the system?

CuS(s) + O2(g) ⇌ Cu(s) + SO2(g)

The equilibrium constant will increase.

No effect will be observed.

The equilibrium constant will decrease.

The reaction will shift to the right in the direction of products.

The reaction will shift to the left in the direction of reactants.


QUESTION 8

Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system?

Fe3O4(s) + CO(g) ⇌ 3 FeO(s) + CO2(g) ΔH°= +35.9 kJ

The equilibrium constant will increase.

The reaction will shift to the right in the direction of products.

The reaction will shift to the left in the direction of reactants.

The equilibrium constant will decrease.

No effect will be observed.

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