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For the rearrangement of cyclopropane to propene at 500 °C (CH2)3 CH3 CH=CH2 the following data have been obtained: [(CH₂)3], M 0.0297 0.0154 0.00793 0.00410 time, min 0 16.4 32.8 49.2 The average rate of disappearance of (CH2) 3 over the time period from t = 0 min to t = 16.4 min is M/min.

For the rearrangement of cyclopropane to propene at 500 °C (CH2)3 CH3 CH=CH2 the following data have been obtained: [(CH₂)3], M 0.0297 0.0154 0.00793 0.00410 time, min 0 16.4 32.8 49.2 The average rate of disappearance of (CH2) 3 over the time period from t = 0 min to t = 16.4 min is M/min.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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For the rearrangement of cyclopropane to propene at 500 °C (CH2)3 → CH3 CH=CH2 the following data have been obtained: [(CH₂)3], M 0.0297 0.0154 0.00793 0.00410 time, min 0 16.4 32.8 49.2 The average rate of disappearance of (CH₂) 3 over the time period from t = 0 min to t = 16.4 min is M/min.
Transcribed Image Text:For the rearrangement of cyclopropane to propene at 500 °C (CH2)3 → CH3 CH=CH2 the following data have been obtained: [(CH₂)3], M 0.0297 0.0154 0.00793 0.00410 time, min 0 16.4 32.8 49.2 The average rate of disappearance of (CH₂) 3 over the time period from t = 0 min to t = 16.4 min is M/min.
The decomposition of ammonia on a tungsten surface at 1100 °C NH3 → 1/2 N₂ + 3/2 H₂ is zero order in NH3 with a rate constant of 3.40 x 10-6 M/s. If the initial concentration of NH3 is 0.00645 M, the concentration of NH3 will be M after 1630 seconds have passed.
Transcribed Image Text:The decomposition of ammonia on a tungsten surface at 1100 °C NH3 → 1/2 N₂ + 3/2 H₂ is zero order in NH3 with a rate constant of 3.40 x 10-6 M/s. If the initial concentration of NH3 is 0.00645 M, the concentration of NH3 will be M after 1630 seconds have passed.
Expert Solution
Step 1: Defining average rate of disappearance

Answer:

The average rate of disappearance is equal to the rate of change in concentration of reactant, so

straight r subscript avg equals negative fraction numerator increment straight C over denominator increment straight t end fraction


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