Table-RxKinetics

Table-RxKinetics - – k t 1/2 = 1/k[A o 2 ½[A 2 – ½[A...

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CHEMICAL KINETICS DATA TABLE FOR GCHEM II LAB YELLOW SHEET Reaction Rx Rate Rate Integrated Plot Line Slope Half-Life Order Constant Law Rate Law Straight k - (units) (y = mx + b) =========================================================================== “0” M/time = k[A] o [A] = – kt + [A o ] [A] versus t – k t 1/2 = [A o ]/2k [A] – [A o ] = – kt “1” 1/time = k[A] 1 ln[A] = – kt + ln[A o ] ln[A] versus t – k t 1/2 = ln(.5)/ k ln[A/A o ] = – kt “2” 1/M-time = k[A] 2 1/[A] = + kt + 1/[A o ] 1/[A] versus t + k t 1/2 = 1/k*[A o ] 1/[A] – 1/[A o ] = + kt “3” 1/M 2 -time = k[A] 3 ½ [A] 2 = – kt + ½ [A o ] 2 1/[A] 2 versus t
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Unformatted text preview: – k t 1/2 = 1/k*[A o ] 2 ½ [A] 2 – ½ [A o ] 2 = – kt Graphical Method of Determining Reaction Rate Order: y intercept = [A o ] y intercept = ln[A o ] Slope = – k Slope = – k Slope = k [A] ln[A] 1/[A] y intercept = 1/[A o ] Time Time Time Zero Order First Order Second Order Arrhenius Equation for Activation Energy: k = A e –Ea/RT ln k = – [E a /R* 1/T] + ln A straight line form y = slope(x) + b then y =ln k; slope = – E a /R; x = [1/T] lnA = y intercept E a = – (slope)*(R) Two point Equation: ln (k 2 ) = Ea [1/T 1 – 1/T 2 ] (k 1 ) R jpechunf10/2003...
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