15.13 Suppose that the gas-phase reactions A B and A are both elementary processes with rate con- stants of 4.7 x 103s1 and 5.8 x 101 s, respectively. (a) What is the value of the equilibrium constant for the equilibrium A (g) =B(g)? (b) Which is greater at equi- librium, the partial pressure of A or the partial pressure of B? B

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