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From the following data for the first-order gas-phase isomerization of CH3NC at 215 °C, calculate the first-order rate constant and half-life for the reaction:

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Bunny Greenfelder
Bunny GreenfelderLv2
22 May 2020

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Related questions

The isomerization of methylisonitrile to acetonitrile CH3NC(g) → CH3CN(g) is first order in CH3NC. The half life of the reaction is 2.70 × 104 s at 463 K. The rate constant when the initial [CH3NC] is 0.030 M is ________ s-1.


The following data were collected for the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 °C.

CH3NC(g)--------->CH3CN(g)

[CH3NC], M 4.20×10-2 2.10×10-2 1.05×10-2 5.25×10-3
time, s 0 160.00 320.00 480.00




(a) What is the half-life for the reaction when [CH3NC] = 4.20×10-2 M?

_______s

(b) What is the half-life for the reaction when [CH3NC] = 2.10×10-2 M? ______s

(c) Is the reaction first order? yes or no?

If so, what is the rate constant for the reaction? (If not first order leave blank).__________________ s-1

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