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Chapter 5: Q65P (page 224)

From the following rate constants, determined at five temperatures, calculate the experimental energy of activation and 螖骋卤,螖贬卤,补苍诲螖厂卤for the reaction at 30掳C:

Short Answer

Expert verified

We have to find螖骋o, 螖Ho, 螖So

螖骋o = 2.10 kcal/mol

螖H掳 = 15.8 kcal/mol

螖S掳 = 45 cal/(mol deg)

Step by step solution

01

Determining Ea

Eacan be determined from Arrhenius equation (ln k = - Ea/RT) because a plot of ln k versus 1/T gives a slope - Ea/R

Slope = -8290

Ea= -(slope)R

Ea= -(-8290)脳1.98脳10-3 kcal/mol

Ea=16.4 kcal/mol

02

Step 2: To find ΔGo, ΔHo, ΔSo

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