The gas-phase conversion reaction between the geometric isomers cis-2-butene and trans-2-butene is represented by the equation above. The value of the equilibrium constant, Key, for the reaction is 3.2 at 298 K and 1.0 atm. (a) In a mixture of the isomers at equilibrium at 298 K and 1.0 atm, which is present at a higher concentration, cis-2-butene or trans-2-butene? Justify your answer (b) If 1.00 mol of pure cis-2-butene and 1.0 mol of pure trans-2-butene were introduced into an evacuated container at 298 K, in which direction (to the right or to the left) would the reaction proced to establish (c) Given that Keg for the reaction at 400 K has the value 1.3, predict whether the reaction is endothermic or (d) There are other structural isomers of cis-2-butene and trans-2-butene. Draw one of these isomers, including equilibrium?
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Home » Chemistry » The gas-phase conversion reaction between the geometric isomers cis-2-butene and trans-2-butene is represented by the equation above. The value of the equilibrium constant, Key, for the reaction is 3.2 at 298 K and 1.0 atm.