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J. W. Hill, R. H. Petrucci, T. W. McCreary, & S. S. Perry General Chemistry 4th edition

Problem 17.52

Write Keq expressions for the following reactions. Which, if any, of these expressions correspond to equilibrium constants that we have previously denoted as Kc, Kp, Ka, and so on?

(a) 2 NO(g) + O2(g)2 NO2(g)

(b) MgSO3(s)MgO(s) + SO2(g)

(c) HCN(aq) + H2O(l)H3O+(aq) + CN(aq)




Answer:

(a) 2 NO(g) + O2(g)2 NO2(g)



(b) MgSO3(s)MgO(s) + SO2(g)



(c) HCN(aq) + H2O(l)H3O+(aq) + CN(aq)