55. The rate constant for the second-order reaction NOBr(g) → NO(g) + Br2(g) is 48 L/mol min at a certain temperature. How long will it take to decompose 90.0% of a 0.0200 M solution of nitrosyl bromide?

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Question 55

0.
M.
(a) What is k for the dimerization?
(b) What is the half-life of the reaction when butadiene
is 0.200 M?
(c) How long will it take to dimerize 28.9% of a
0.558 M sample?
(d) How fast is 0.128 M butadiene dimerizing?
55. The rate constant for the second-order reaction
NOB1(g) → NO(g) + Br2(g)
is 48 L/mol min at a certain temperature. How long will it
take to decompose 90.0% of a 0.0200 M solution of nitrosyl
bromide?
56. The decomposition of nitrosyl chloride
NOCI(g) → NO(g) + ¿Cl2(g)
is a second-order reaction. If it takes 0.20 min to decompose
15% of a 0.300 M solution of nitrosyl chloride, what is k for
the reaction?
Transcribed Image Text:0. M. (a) What is k for the dimerization? (b) What is the half-life of the reaction when butadiene is 0.200 M? (c) How long will it take to dimerize 28.9% of a 0.558 M sample? (d) How fast is 0.128 M butadiene dimerizing? 55. The rate constant for the second-order reaction NOB1(g) → NO(g) + Br2(g) is 48 L/mol min at a certain temperature. How long will it take to decompose 90.0% of a 0.0200 M solution of nitrosyl bromide? 56. The decomposition of nitrosyl chloride NOCI(g) → NO(g) + ¿Cl2(g) is a second-order reaction. If it takes 0.20 min to decompose 15% of a 0.300 M solution of nitrosyl chloride, what is k for the reaction?
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