Seedon B Answer the following problems be sure to use the correct number of sign

Question

Seedon B Answer the following problems be sure to use the correct number of significant figures and units 1. Predict the direction ofthe equilibrium shift for each ofthe following processes: (Chapter 12) What direction will the equilibrium shift when the partial pressure of hydrogen is increased? Given that this reaction is exothermic, what direction will the equilibrium shift when the temperature of the reaction is decreased? If a large quantity of argon is added to the container in which this equilibrium is taking place, in what direction will the equilibrium shift? NH30 H200 In what direction will the equilibrium shift ifammonia is removed from the container as soon as it is produced? e, 2 BH this equilibrium is taking place in a piston with a volume of 1L and I compress it so the final volume is 0,5 L, in what direction will the equilibrium shift?

Explanation / Answer

1)

a) H2 (g) + Cl2 (g) <------------> 2 HCl (g)

if the partial pressure of H2 increases , then the equilibrium shifts to forward direction .

according to lechatli's principle , if the pressure of reactants increases , then the reaction shifts to direction which decreasing pressure. that means product side.

b)

3 H2 (g) + N2 (g) <---------------> 2 NH3 (g)

for exothermic reaction , temperature decreases then the equilibrium shifts to forward direction.

for endothermic reaction, temperature decreases then the equilibrium shifts to backward direction

c)

adding inert gas result in no shift in equilibrium

d)

equilibrium shifts to forward direction

if the concentration of products removes then the reaction shifts to decrease concentration side. that means product side .

e)

2 BH3 (g) <------------> B2H6 (g)

equilibrium shifts to forward direction

here decrease volume equilibrium shifts to less number of moles of gas.

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