The reaction between ethyl iodide and hydroxide ion inethanol (C2H5OH) solution, C2H5(1alc) + OH- (1alc)----->C2H5OH(l) + I - (alc) , has an activation energy of86.8 kJ>mol and a frequency factor of 2.10 x 1011 M-1 s-1.(a) Predict the rate constant for the reaction at 35 °C. (b) Asolution of KOH in ethanol is made up by dissolving 0.335g KOH in ethanol to form 250.0 mL of solution. Similarly,1.453 g of C2H5I is dissolved in ethanol to form 250.0mL of solution. Equal volumes of the two solutions aremixed. Assuming the reaction is first order in each reactant,what is the initial rate at 35 °C? (c) Which reagent inthe reaction is limiting, assuming the reaction proceeds tocompletion? (d) Assuming the frequency factor and activationenergy do not change as a function of temperature,calculate the rate constant for the reaction at 50 °C.
The reaction between ethyl iodide and hydroxide ion in
ethanol (C2H5OH) solution, C2H5(1alc) + OH- (1alc)----->
C2H5OH(l) + I - (alc) , has an activation energy of
86.8 kJ>mol and a frequency factor of 2.10 x 1011 M-1 s-1.
(a) Predict the rate constant for the reaction at 35 °C. (b) A
solution of KOH in ethanol is made up by dissolving 0.335
g KOH in ethanol to form 250.0 mL of solution. Similarly,
1.453 g of C2H5I is dissolved in ethanol to form 250.0
mL of solution. Equal volumes of the two solutions are
mixed. Assuming the reaction is first order in each reactant,
what is the initial rate at 35 °C? (c) Which reagent in
the reaction is limiting, assuming the reaction proceeds to
completion? (d) Assuming the frequency factor and activation
energy do not change as a function of temperature,
calculate the rate constant for the reaction at 50 °C.
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