ma 1-20 Quiz 2 Answer Key

ma 1-20 Quiz 2 Answer Key - C. False At equilibrium the...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 106 Recitation 1/20 Name: Section: 1. The decomposition of NO occurs in 3 steps . . . 3 pts 2NO N 2 O 2 (Fast, Equilibrium) N 2 O 2 +H 2 . N 2 O+ H 2 O (Slow) N 2 O+H 2 . N 2 + H 2 O (Fast) What is the overall rate law for the reaction? Rate = k[NO] 2 [H 2 ] make sure that the students know that intermediates cannot be part of the overall rate law. 2. Mark as True or False . . . 3 pts A. True At equilibrium the concentration of reactants and products are not changing. B. True At equilibrium the reverse rate equals the forward rate
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: C. False At equilibrium the concentrations of the reactants equals the concentrations of the products. 3. For the reaction H 2 (g) +Cl 2 (g) . 2HCl (g) . . . . 3 pts a. What is the equilibrium constant expression? K c = [HCl] 2 [H 2 ][Cl 2 ] b. What is the equilibrium constant if H 2 =.119 M and Cl 2 =.217 M and HCl=.589? .589 2 = 13.4 (.119)(.217) c. Which direction will the reaction shift IF: i. more H 2 (g) is added . . . . Right iii. Cl 2 (g) is removed . . . Left...
View Full Document

Ask a homework question - tutors are online