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Chapter 13: Q60 E (page 756)
At a temperature of 60 ̊C, the vapor pressure of water is 0.196atm. What is the value of the equilibrium constant Kp for the transformation at 60 ̊C? H2O (l)⇌ H2O(g)
The value of the equilibrium constant Kp=0.196
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Write the expression of the reaction quotient for the ionization of HOCN in water.
If you observe the following reaction at equilibrium, is it possible to tell whether the reaction stated with pure \(N{O_2}\) or with pure \({N_2}{O_4}\)? \(2N{O_2}(g) \rightleftharpoons {N_2}{O_4}(g)\)
Explain how to recognize the conditions under which changes in pressure would affect systems at equilibrium.
Question: Consider the equilibrium
4NO2(g) + 6H2 O(g) ⇌ 4NH3(g) + 7O2(g)
(a) What is the expression for the equilibrium constant (Kc) of the reaction?
(b) How must the concentration of NH3 change to reach equilibrium if the reaction quotient is less than the equilibrium constant?
(c) If the reaction were at equilibrium, how would a decrease in pressure (from an increase in the volume of the reaction vessel) affect the pressure of NO2?
(d) If the change in the pressure of NO2 is 28 torr as a mixture of the four gases reaches equilibrium, how much will the pressure of O2 change?
Complete the changes in concentrations (or pressure, if requested) for each of the following reactions.
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