The first-order rate constant for the decomposition of N205, given below, at 70°C is 6.82 10-3 s-4. Suppose we start with 0.0200 mol of N205(g) in a volume of 5.0 L. 2 N205(g) → 4 NO2(g) + O2(g) (a) How many moles of N205 will remain after 1.5 min? mol (b) How many minutes will it take for the quantity of N205 to drop to 0.005 mol? min (c) What is the half-life of N205 at 70°C? min

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter13: Chemical Kinetics
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Problem 13.49QE: When formic acid is heated, it decomposes to hydrogen and carbon dioxide in a first-order decay....
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The first-order rate constant for the
decomposition of N205, given below, at 70°C
is 6.82 10-3 s. Suppose we start with
0.0200 mol of N205(g) in a volume of 5.0 L.
2 N205(g) → 4 NO2(g) + O2(g)
(a) How many moles of N205 will remain after
1.5 min?
mol
(b) How many minutes will it take for the
quantity of N205 to drop to 0.005 mol?
min
(c) What is the half-life of N205 at 70°C?
min
Transcribed Image Text:The first-order rate constant for the decomposition of N205, given below, at 70°C is 6.82 10-3 s. Suppose we start with 0.0200 mol of N205(g) in a volume of 5.0 L. 2 N205(g) → 4 NO2(g) + O2(g) (a) How many moles of N205 will remain after 1.5 min? mol (b) How many minutes will it take for the quantity of N205 to drop to 0.005 mol? min (c) What is the half-life of N205 at 70°C? min
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