CHM 2046C Module Nine Sample Exam

Part D: Rate Laws from Experimental Data: Initial Rates Method 10 points

In the reaction: 2 NO (g) + Cl ₂ (g) à 2 NOCl (g)

Was studied at -10 ^oC. The following results were obtained:

[NO] (mol/L) [Cl ₂] (mol/L) Initial Rate (Mol/L min)

0.10 0.10 0.18

0.10 0.20 0.35

0.20 0.20 1.45

a. What is the Rate Law Equation?

b. What is the rate order of each reactant?

c. What is the overall rate order of the reaction?

d. What is the value of the rate constant k?

e. What are the units of the rate constant?

Read section 15.3 Page 706-712. Work all problems #7-16 p 744-745