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ENVIROMENTAL CHEMISTRY 4. [25] For the completely reversible reaction below, the

ID: 1079354 • Letter: E

Question

ENVIROMENTAL CHEMISTRY

4. [25] For the completely reversible reaction below, the first order rate constant for the forward reaction is 500 s-1 and the equilibrium constant is 10. A = B (the equal sign can be interpreted here as a two-sided arrow) a) What is the rate constant for the reverse reaction? b) Determine the concentration of A as a function of time for a system with initial concentrations of [A]0 = 1 mM and [B]0 = 0. Give your answer as an equation for [A] as a function of time. c) How long does it take for [A] to come within 5% of its equilibrium value?

Explanation / Answer

ENVIROMENTAL CHEMISTRY 4. [25] For the completely reversible reaction below, the