Answer
B
Work Step by Step
$r=k[NO]^2[Cl_2]$
$r_2/r_1=([NO]_2/[NO]_1)^2\times([Cl_2]_2/[Cl_2]_1)$
$r_2/r_1=2^2\times1/2=2$
$r_2=1.24\times10^{-5}\ mol/L$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 14 Chemical Kinetics: The Rates of Chemical Reactions - 14-3 Effect of Concentration on Reaction Rate - Review & Check for Section 14-3 - Page 520: 1
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