Reaction rate and activation energy of the acid hydrolysis of ethyl acetate

Item No. P3050201 | Type: Experiments

10 Minutes
20 Minutes
University
Teachers/Professors , Students
heavy
EUR 2,853.10
Content 1 piece
EUR 3,395.19 Incl. VAT



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

  1. Determine the reaction rate constant for the acidolysis of ethyl acetate at two (or more) temperatures.
  2. 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

Device name
Item No.
Quantity
Magnetic stirrer with heater MR Hei-Standard
Item No. 35753-93
1
Magnetic stirring bar 15 mm, cylindrical
Item No. 46299-01
1
Magnetic stirring bar 30 mm, cylindrical
Item No. 46299-02
1
Retort stand, h = 750 mm
Item No. 37694-00
2
Supp.rod stainl.st.,50cm,M10-thr.
Item No. 02022-20
1
Right angle boss-head clamp
Item No. 37697-00
4
Universal clamp
Item No. 37715-01
4
Burette clamp, roller mount., 2 pl.
Item No. 37720-00
1
Immersion thermostat Alpha A, 230 V
Item No. 08493-93
1
External circulation set for thermostat Alpha A
Item No. 08493-02
1
Bath for thermostat, makrolon
Item No. 08487-02
1
Immersion probe NiCr-Ni, steel, -50...400 °C
Item No. 13615-03
1
Burette, lateral stopcock, Schellbach, 50 ml
Item No. MAU-24022024
1
Volumetric flasks, Boro, various sizes | Volume: 1000 ml
Item No. 36552-00
1
Graduated cylinders, Boro, various sizes | Volume: 100 ml
Item No. 36629-00
1
Bulb pipettes, various sizes | Volume: 5 ml
Item No. 36577-00
2
Bulb pipettes, various sizes | Volume: 100 ml
Item No. 36582-00
1
Pipette dish
Item No. 36589-00
1
Pipettor
Item No. 36592-00
1
Erlenmeyer flasks, Duran®, wide neck, various sizes | Volume: 250 ml
Item No. 36134-00
2
Erlenmeyer flask, stopper bed, 250 mlSB 29
Item No. MAU-EK17082306
2
Rubber stoppers, without bore, various diameters | diameter: 26 mm
Item No. 39258-00
2
Beakers, Boro, low form, various sizes | Volume: 250 ml
Item No. 46054-00
1
Crystallising dishes, Boro, various sizes | diameter: 150 mm
Item No. 46245-00
1
Funnels (glass), Boro, various sizes | Top diameter: 50 mm
Item No. 34457-00
1
Pasteur pipettes, 250 pcs
Item No. 36590-00
1
Rubber caps, 10 pcs
Item No. 39275-03
1
Wash bottle, plastic, 500 ml
Item No. 33931-00
1
Digital stopwatch, 24 h, 1/100 s and 1 s
Item No. 24025-00
1
Rubber hose, various diameters | diameter: 6 mm
Item No. 39282-00
2
Hose clip, diam. 8-16 mm, 1 pc.
Item No. 40996-02
3
Hydrochloric acid, 1.0 mol/l, 1000 ml
Item No. 48454-70
1
Caustic soda solution, 1.0 m, 1000 ml
Item No. 48329-70
1
Ethyl acetate 250 ml
Item No. 30075-25
1
Phenolphthalein, 0,5% soution in ethanol, 100 ml
Item No. 31715-10
1
Water, distilled 5 l
Item No. 31246-81
1
Tubing connector, ID 6-10mm
Item No. 47516-01
2

Name
Filename
Filesize
Filetyp
(en) Versuchsbeschreibung
p3050201_en .pdf
Filesize 1.46 Mb
pdf
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