Chapter 14a - Chemistry 11e(Brown/Lemay/Bursten/Murphy...

Info icon This preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry, 11e(Brown/Lemay/Bursten/Murphy) Chapter 14: Chemical Kinetics 14.1 Multiple-Choice and Bimodal Questions 1) Consider the following reaction: 3A 2B The average rate of appearance of B is given by B t . Comparing the rate of appearance of B and the rate of disappearance of A, we get [B] t _____ (   [A] t ) A) -2/3 B) +2/3 C) -3/2 D) +1 E) +3/2 Answer: B Diff: 1 Page Ref: Sec. 14.2 2) Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO 2 2NO O 2 In a particular experiment at 300 °C, [NO 2 ] drops from 0.0100 to 0.00650 M in 100s The rate of appearance of O 2 for this period is __________ M/s.
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
3) Which substance in the reaction below either appears or disappears the fastest? 4NH 3 +7O 2 4NO 2 +6H 2 O 4) Consider the following reaction: A 2C The average rate of appearance of C is given by C t . Comparing the rate of appearance of C and the rate of disappearance of A, we get C t _____ (  A t ) .
Image of page 2