Answer to Question #171951 in General Chemistry for Sukhi

Question

A student performs the reaction below in three experiments studying

initial concentrations and initial rates. The data is summarized in the

table below. SHOW ALL YOUR WORK.

2 NO(g) + Br2(g) → 2 NOBr(g)

a. What is the order of this reaction with respect to NO? ____

b. What is the order of this reaction with respect to Br2? ____

c. What is the overall order of this reaction? ____

d. What is the rate law constant, k, for this reaction? (Be sure to

include the value and the units.)

[NO] [Br2] Rate (mol/L·s)

0.80 0.50 0.17

1.60 0.50 0.34

0.80 1.00 0.68

Answer 1

a) Second Order

b) Zero Order

c) First Order

d) $k=4$