Question
Azomethane decomposes with first order kinetics according to the equation
The following data were obtained for the decomposition in a 200 ml flask at .
| Time (t) in minutes | 0 | 15 | 30 | 48 | 95 |
|---|---|---|---|---|---|
| Total Pressure (torr) | 36.2 | 42.4 | 46.5 | 53.1 | 59.3 |
Calculate the rate constant and the half-life for this reaction.
Answer :
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Azomethane decomposes in the gaseous state according to first order kinetics. The decomposition leads to an increase in the number of moles, hence the total pressure increases with time. If the initial pressure of azomethane is P₀ = 36.2
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