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A sample of 0.900 mol N2O is placed in a sealed container, where it decomposes irreversibly to N2 an โ€” Kinetics Chemistry Question

Question

A sample of 0.900 mol N2O is placed in a sealed container, where it decomposes irreversibly to N2 and O2 in a first-order reaction. After 42.0 min, 0.640 mol N2O remains. How long will it take for the reaction to be 90.0% complete?

A.

13.0 min

B.

85.4 min

C.

131 min

D.

284 min

โœ“ Correct
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