89.5 Arrhenius equation 9.5.4 Experimental measurement activation energy (1)Experimental measurement: CICOOCH3+H20-C02+CH3OH+H+Cl E K 273.72278.18283.18288.14 Ink= 7+In A 104k/s10.42090.7061.2292.087 T/K 198.18308.16318.29 (1) Graphic method 104k/s1564214053265 (2)Calculation method Graphic method lnk=-85159+21.06 to plot Ink against 1/T[Arrhenius plot], for the R=0.99992 reaction of Arrhenius type, a straight line may be obtained, the slope of which equals - R 3.0x10332x10334X10336×10338x103 1/T(K9.5.4 Experimental measurement activation energy (1) Experimental measurement: A RT E k a ln = − + ln (1) Graphic method (2) Calculation method Graphic method: to plot lnk against 1/T [Arrhenius plot], for the reaction of Arrhenius type, a straight line may be obtained, the slope of which equals –Ea /R §9.5 Arrhenius equation ClCOOCH3 + H2O → CO2 + CH3OH + H+ + Cl− T / K 273.72 278.18 283.18 288.14 104 k / s-1 0.4209 0.7016 1.229 2.087 T / K 198.18 308.16 318.29 104 k / s-1 5.642 14.05 32.65 21.06 1 ln = −8515.9 + T k R = 0.99992