Homework Assignment #3

Due January 29, 2018 by 11:10 a.m.

Consider the reaction:

C5H5Rh(CO)2(sol) + L(sol) → C5H5Rh(CO)L(sol) + CO(sol)

The following data sets were measured experimentally:

(0) L = P(C4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0040 0.053 7.0×10–3


2 0.0080 0.053 1.4×10–2


3 0.0080 0.027 7.0×10–3


(1) L = P(OC4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0012 0.660 3.0×10–3


2 0.0024 0.660 6.0×10–3


3 0.0024 0.330 3.0×10–3


(2) L = P(C4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0020 0.053 3.5×10–3


2 0.0010 0.053 1.7×10–3


3 0.0010 0.027 8.5×10–4


(3) L = P(OC4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.00060 0.660 1.5×10–3


2 0.00030 0.660 7.5×10–4


3 0.00030 0.330 3.7×10–4


(4) L = P(C4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0080 0.053 1.4×10–2


2 0.016 0.053 2.8×10–2


3 0.016 0.027 1.4×10–2


(5) L = P(OC4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0024 0.660 6.0×10–3


2 0.0048 0.660 1.2×10–2


3 0.0048 0.330 6.0×10–3


(6) L = P(C4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0040 0.027 3.5×10–3


2 0.0080 0.027 7.0×10–3


3 0.0080 0.014 3.5×10–3


(7) L = P(OC4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0012 0.220 1.0×10–3


2 0.0024 0.220 2.0×10–3


3 0.0024 0.110 1.0×10–3


(8) L = P(C4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0040 0.018 2.3×10–3


2 0.0080 0.018 4.7×10–3


3 0.0080 0.0090 2.4×10–3


(9) L = P(OC4H9)3

Experiment # [C5H5Rh(CO)2] (M) [L] (M) Initial Rate (Ms–1)


1 0.0024 0.330 3.0×10–3


2 0.0048 0.330 6.0×10–3


3 0.0048 0.170 3.0×10–3


Turn in the following:

Name

Student ID Number

For the data set that corresponds to the last digit of your student ID number, find the rate law and the value of the rate constant, including units. Show your work.