Cyclopropane isomerizes into propene when heated to 500°C in the gas phase. The extent of conversion was followed by gas chromatography by allowing the reaction to proceed for a time with various initial pressures: Po/Torr t/s 200 200 400 400 600 600 100 200 100 200 100 200 pr 186 173 373 347 559 520 where p, is the initial pressure of cyclopropane and pr the pressure of cyclopropane after t seconds. What is the order of the reaction and the value of the rate constant for the reaction under these conditions? (NOTE: px (nx/V)*RT = [X]*RT, so you can use pressure-rather than concentration-in the rate law equations.

Fundamentals Of Analytical Chemistry
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Chapter30: Kinetic Methods Of Analysis
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Problem 30.16QAP
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Cyclopropane isomerizes into propene when heated to 500°C in the gas phase. The extent of conversion
was followed by gas chromatography by allowing the reaction to proceed for a time with various initial
pressures:
Po/Torr
t/s
200
200
400
400
600
600
100
200
100
200
100
200
Pr
186
173
373
347
559
520
where
is the order of the reaction and the value of the rate constant for the reaction under these conditions?
(NOTE: px = (nxV)*RT = [X]*RT, so you can use pressure-rather than concentration-in the rate law equations.)
P.
is the initial pressure of cyclopropane and p, the pressure of cyclopropane after t seconds. What
Transcribed Image Text:Cyclopropane isomerizes into propene when heated to 500°C in the gas phase. The extent of conversion was followed by gas chromatography by allowing the reaction to proceed for a time with various initial pressures: Po/Torr t/s 200 200 400 400 600 600 100 200 100 200 100 200 Pr 186 173 373 347 559 520 where is the order of the reaction and the value of the rate constant for the reaction under these conditions? (NOTE: px = (nxV)*RT = [X]*RT, so you can use pressure-rather than concentration-in the rate law equations.) P. is the initial pressure of cyclopropane and p, the pressure of cyclopropane after t seconds. What
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