CHEM 102 1nd Edition Lecture 10 Outline of Last Lecture I. Rate of reaction depends on four factorsII. Nature of reactantsIII. Concentration complicatedOutline of Current Lecture I. Rate of reaction depends on four factorsII. Nature of reactantsIII. 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=fractions- X=order of reaction with respect to AThese 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.- Y=order of reaction with respect to
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