Suppose that for the reaction K + L M, you monitor the production of M over time, and then plot the following graph from your data: 0 5 10 15 20 25 30 t, min [M] (a) Is the reaction occurring at a constant rate from t = 0 to t = 15 min? (b) Is the reaction completed at t = 15 min? (c) Suppose the reaction as plotted here were started with 0.20 mol K and 0.40 mol L. After 30 min, an additional 0.20 mol K are added to the reaction mixture. Which of the following correctly describes how the plot would look from t = 30 min to t = 60 min? (i) [M] would remain at the same constant value it has at t = 30 min, (ii) [M] would increase with the same slope as t = 0 to 15 min, until t = 45 min at which point the plot becomes horizontal again, or (iii) [M] decreases and reaches 0 at t = 45 min. [Section 14.2]

Monday January 4, 2016 1 Important Information: PSet #1 due Mon (Jan 11) Lab WriteUp #1 due Fri (Jan 8) Midterm #1 January 20 Lecture 1: Thermodynamics and Kinetics Main Questions of this Course: Thermodynamics: Will we ever get there Kinetics: ow and when will we get there Overview ● thermodynamics gives the fundamental laws of nature → it is always right, but it may not be relevant to the question at hand ● if A → B is thermodynamically favored, then A will for B ○ may happen in 30 seconds or 30 million years ● kinetics cannot change thermodynamic outcomes ○ changing the reacti