1) The isomerization reaction shown below follows first order kinetics at 500 K. CH3NC (g) +→ CH3CN (g) a) Use the rate constant you determined in example 3 on page 4 to determine the half life of this reaction. K?6.579 x 10 -4 s-l half ll fe 0.693 6. S79 x 10-9 10 S3 .35 b) Use the half life you just determined to predit how long it will take for the concentration of CH3NC to reach 25% of its original value?

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1:35 PM Sun Jan 30
*2 30% ID
< 88 Q
CHM1046 Ch 19 Kinetics v
x PSY 2012 Ch 1 Guiding Q - Cra..
Calorimetry Quiz
CHM 1046 TLC
CHM1046 Ch 19 Kinetics
y Equations
1) The isomerization reaction shown below follows first order kinetics at 500 K.
CH3NC (g) → CH3CN (g)
a) Use the rate constant you determined in example 3 on page 4 to determine the half life
of this reaction.
K? 6. 579 x 10
half ll fe
0.693
6. S19 x 10-9
16 S3 . 35
%3D
b) Use the half life you just determined to predit how long it will take for the concentration
of CH3NC to reach 25% of its original value?
28 of 44
Transcribed Image Text:1:35 PM Sun Jan 30 *2 30% ID < 88 Q CHM1046 Ch 19 Kinetics v x PSY 2012 Ch 1 Guiding Q - Cra.. Calorimetry Quiz CHM 1046 TLC CHM1046 Ch 19 Kinetics y Equations 1) The isomerization reaction shown below follows first order kinetics at 500 K. CH3NC (g) → CH3CN (g) a) Use the rate constant you determined in example 3 on page 4 to determine the half life of this reaction. K? 6. 579 x 10 half ll fe 0.693 6. S19 x 10-9 16 S3 . 35 %3D b) Use the half life you just determined to predit how long it will take for the concentration of CH3NC to reach 25% of its original value? 28 of 44
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