2014-02-18 Recitation (initial rates and initial-rate method)

This preview shows page 1 - 5 out of 5 pages.

2014-02-18 RecitationMechanism & Rate LawDefinitions:Mechanism vs. overall reactionElementary step vs. overall reactionIntermediate vs. catalystExample For the following mechanism, (1) write the overall reaction, (2) identity the intermediate andthe catalyst, and (3) write the rate law for each elementary step and the overall reaction!"#"+ %&→ !"# + %#&!"#"+ %#&→ !"# + #"+ %&
Rate lawRate of reactionInitial Rates and Initial Condition
Example When(!")*"and+,(-are mixed together,(!"(-"forms. The reaction is(!")*"+ 2(-&→ (!"(-"+ 2)*&I measured the concentration of(!")*",(-&, and(!"(-"at different time throughout theexperiment…Time (sec)01020300(!")*"1(M)5.004.203.963.810(-&1(M)4.002.401.921.630(!"(-"1(M)0.000.801.041.19What is the initial rate of the reaction?Using(!")*"Using(-&Using(!"(-"Phenomenological Rate Law (Getting Rate Law from Initial Rates)
Example 1 I want to find the rate law for the reaction between methanol ((!2#!) and acetic acid((!2(##!). The reaction is(!2#! + (!2(##! → (!2(##(!2+ !"#I ran the experiment using three different initial concentrations and measured the initial rates.
End of preview. Want to read all 5 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
VUOCOLO
Tags
Chemistry, Catalyst, Reaction, initial rates

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture