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Laughing Gas Nitrous oxide (N2O) is used as an anesthetic (laughing gas) and in aerosol cans...

Laughing Gas Nitrous oxide (N2O) is used as an anesthetic (laughing gas) and in aerosol cans to

produce whipped cream. It is a potent greenhouse gas and decomposes slowly to N2 and O2:

2 N2O(g) → 2 N2(g) + O2(g)

a.   If the plot of ln[N2O] as a function of time is linear, what is the rate law for the reaction?

b.   How many half-lives will it take for the concentration of N2O to reach 6.25% of its original

concentration?

   [Hint: The amount of reactant remaining after time t (At) is related to the amount initially present

(A0) by the equation At/A0 = (0.5)n, where n is the number of half-lives in time t.]

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