CHEM 102 1nd Edition Lecture 9 Outline of Last Lecture I. Gibbs free energy change for a reactionII. Reaction A B III. How to create a spontaneous reactionIV. Chemical kineticsOutline of Current Lecture V. Rate of reaction depends on four factorsVI. Nature of reactantsVII. Concentration complicatedCurrent Lecture- Rate of reaction depends on four factorso Nature of reactantso Concentration complicatedo Temperature o Catalysts - Nature of reactantso Chemical activity where e- are 2Na (s) + 2H2O 2NaOH (aq) + H2 (g)o Physical nature: Aqueous species react faster than gases species Size of particles of solids surface area- Concentration complicatedo Rate law expression-form from experimental datao R=k([A]) where k=rate law constant and [A]=concentration of A Units are (M/t) or molarity/timeo Most reactions are not 1 step therefore we need to do experimentso Aa + Bb Cc + Dd Reactants productso Rate law expression Rate (M/t) = k[A]x[B]y- K=specific rate constant- A and B=fractionsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- X=order of reaction with respect to A- Y=order of reaction with respect to
View Full Document
Unlocking...