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Principle
In acid solution, ethyl acetate is hydrolysed to equivalent quantities of ethanol and acetic acid according to a pseudo-first order rate law. The alkalimetric determination of the acetic acid formed enables conclusions to be drawn on the temporal concentration of ester.
Benefits
- Thermostat for precise temperature control
- Stable and safe construction due to solid stand material
Tasks
- Determine the reaction rate constant for the acidolysis of ethyl acetate at two (or more) temperatures.
- Calculate the activation energy of the reaction from the temperature dependence of the measured rate constants.
Learning objectives
- Reaction rate
- Reaction rate constant
- Rate law for first and second order reactions
- Reactions with pseudo order
- Arrhenius equation
- Activation energy
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(en) Versuchsbeschreibung
p3050201_en .pdf
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Reaction rate and activation energy of the acid hydrolysis of ethyl acetate
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