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6 - The reaction cis-2-butene to trans-2-butene is first order in both directions. At 25 o C, the equilibrium constant is 0.406, and the forward rate constant is 4.21 x 10-4 s-1. (a) Starting with a sample of the pure cis isomer with [cis]0 =0.115 mol/l, how long would it take for half of the equilibrium amount of the trans isomer to form? (b) Sketch the concentration profiles for the cis and trans isomers in the above reaction? (c) What happens to the rate and the half life if you double the initial concentration of the cis isomer? (d) What happens to the rate and half life if temperature is decreased to 15 o C?
6 - The reaction cis-2-butene to trans-2-butene is first order in both directions. At 25 o C, the equilibrium constant is 0.406, and the forward rate constant is 4.21 x 10-4 s-1. (a) Starting with a sample of the pure cis isomer with [cis]0 =0.115 mol/l, how long would it take for half of the equilibrium amount of the trans isomer to form? (b) Sketch the concentration profiles for the cis and trans isomers in the above reaction? (c) What happens to the rate and the half life if you double the initial concentration of the cis isomer? (d) What happens to the rate and half life if temperature is decreased to 15 o C?
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Elin HesselLv2
27 Jun 2019
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