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. Topic 9 – Kinetics and Equilibrium


22. Continues

3. Given the equilibrium reaction below
C2(g) + D2(g) <======== > 2CD (g) + energy
Which change will cause the equilibrium point to shift to the left?

1) Increasing pressure 3) Adding heat
2) Increasing the amount of D2 (g) 4) Addition of catalyst

4. Given the reaction below at equilibrium
2SO2(g) + O2(g) < -------------- > 2SO3(g) + heat
Which change will shift the equilibrium to the right?
1) Decreasing concentration of SO3 3) Decreasing concentration of O2
2) Decreasing pressure 4) Increasing temperature
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5. Given the system at equilibrium,
H2(g) + F2(g) <========== > 2HF(g) + Heat

The concentration of HF(g) may be increased by
1) Decreasing the concentration of H2(g) 3) Decreasing the temperature
2) Decreasing the concentration of F2(g) 4) Increasing temperature


6. In the equilibrium reaction
C(s) + CO2(g) + heat <========= > 2CO(g)
Which stress on the system would favor the rate of exothermic reaction to increase?
1) An increase in the amount of C(s) 3) An increase in the amount of CO2(g)
2) An increase in the amount of CO (g) 4) An increase in pressure
7. The reaction below is at equilibrium
N2 + O2 + 182.6 KJ < ======== > 2NO
Which change to the reaction will cause an increase in the rate of the forward reaction?
1) Adding more NO 3) Removing O2

2) Removing heat 4) Adding heat
8. Given the Haber reaction at equilibrium
N2(g) + 3H2(g) < -------------- > 2NH3(g) + heat
Which stress on the system will decrease the production of NH3(g)
1) Decreasing the temperature on the system 3) Increasing the concentration of N2(g)
2) Increasing the pressure on the system
4) Decreasing the concentration of H2(g)

9. In the equilibrium reaction
2 A(g) + 3 B(g) < ------------ > A2B3(g) + Heat
Which change will NOT affect the equilibrium concentrations of A(g), B(g), and A2B3(g)
1) Adding more A(g) 3) Increasing the temperature
2) Adding a catalyst 4) Increasing the pressure

10. Given the equilibrium reaction below:
SO2(g) + NO2(g) < ---------- > SO3(g) + NO(g) + heat
Which stress will NOT shift the equilibrium point of this reaction?
1) Increasing pressure 3) Decreasing heat
2) Increasing SO2(g) concentration 4) Decreasing NO(g) concentration
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