east.cengagenow.com OWLv2I Online teaching and learning resource from Cengage Le

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east.cengagenow.com OWLv2I Online teaching and learning resource from Cengage Learning Use the References te access impertant values if needed for this question. For the gas phase isomerization of isopropenyl allyl ether CHCICH0-CH,CH-CH CH,COCH,CH,CH CH the rate constant in s has been determined at several temperatures. When In k is plotted against the reciprocal of the Kelvin temperature, the resulting linear plot has a slope of -1.48*10 K and a y-intercept of 26.0 The value of the rate constant for the gas phase isomerization of isopropenyl allyl ether at 445 K is (Enter your answer to one significant figure.) Retry Entire Group 3 more group attempts remaining Submit Answer

Explanation / Answer

Answer:

Given that, the plot of lnk vs 1/T gives slope of (-1.48x10^4K) and y- intercept=26

From Arrhenius equation

lnk=(- Ea/R)(1/T)+C

it is similar to y=mx+C where m=slope and C=y-intercept

At 445 K, k=?.

lnk=-(1.48x10^4 K)(1/445K)+26

lnk=-33.258+26=-7.258

k=e^(-7.258)

k=7.04x10^-4 s^-1.

Rate constant k=7x10^-4 s^-1.

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