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Acetaldehyde (CH3CHO) decomposes at high temperature to methane and carbon monoxide. A container was filled with...

  1. Acetaldehyde (CH3CHO) decomposes at high temperature to methane and carbon monoxide. A container was filled with acetaldehyde to a pressure of 0.22 atmospheres and then the CO partial pressure was monitored as a function of time.

Time (s)

CO Partial Pressure (Atm)

0

0.0000

1733

0.1100

3466

0.1650

5199

0.1925

Determine the order of the reaction and then the rate constant?

The answer is First Order, with a rate constant of 4.0x10^-4 s^-1

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