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Gaseous azomethane (CH3N2CH3) decomposes to ethane and nitrogen when heated:
CH3N2CH3(g) → CH3CH3(g) + N2(g)
The decomposition of azomethane is a first-order reaction with k = 3.6 × 10‒4 s‒1 at 600 K.
(a) A sample of gaseous CH3N2CH3 is placed in a flask and heated at 600 K for 150 seconds. What fraction of the initial sample remains after this time?
(b) How long must a sample be heated so that 99% of the sample has decomposed?
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