14. For the reaction 2A + B <=> 2C the appropriate form for the equilibrium constant expression is:

5. An equilibrium that strongly favors products has __________

8. If the reaction quotient Q has a smaller value than the related equilibrium constant, K, __________

47. Which of the following occurs when reactants are added to a chemical reaction in solution or the gas phase at equilibrium?

The following rate constants were obtained in an experiment in which the decomposition of gaseous N₂O₅ was studied as a function of temperature. The products were NO₂ and NO₃.

   T (^oC)           k (s^-1)       

   47            0,45

   81            7,0

Determine the rate constant (s^-1) for this reaction at 149 ^oC.  

58. Given: A(s) + B(l) <=> C(g) + D(g) ΔH° = 84.3 kJ.

If the above reactants and products are contained in a closed vessel and the reaction system is at equilibrium, the number of moles of C can be decreased by which of the following? (Note that the reactants are solid and liquid.)

3. Which of the following are equal for a chemical system at equilibrium?

The activation energy for the reaction in which CO₂ decomposes to CO and a free radical oxygen atom, O, has an activation energy of 37,8 kJ/mol. The frequency factor is 1,6x10⁷s^-1. What is the rate constant (s^-1) for this reaction at 298 K?

4. A chemical equilibrium may be established by starting a reaction with __________

57. Given the following reaction at equilibrium, which of the following alterations will increase the amount (in moles) of SO2Cl2:

SO2(g) + Cl2(g) <=> SO2Cl2(g) ΔH° = -67 kJ