Lecture Note
University
Swansea UniversityCourse
EGA109 | Introductory Organic ChemistryPages
2
Academic year
2023
Sanjeev K Ganesh
Views
0
If value zero is ascribed to entropies of elements in their perfect crystalline form at T20, then all perfect crystilline compounds also have zero entropy at T=0. III law: S of all perfect cryptallins substances is zeru at T=O. Kineties Rate: -1 d[A] I dGB] 2 1 d(C) a d dt 100] aA+bB - cc+dD a dt a b dt C dt law rate 2 are order. k-rate constant nos. k[AJm [B]" rate myn mm values typically th not small neurously whole 2 strichionetric wilf 1st order: ln[At - ln[A] = -kt from -d (A) = k(A) dt 612 2 0.693 k
2nd order: Ikt + 1 [A] t [A]. from d[A]z kLAJ2 dt 61/2 I 2 KEN] 0 order: [A] 2 -kt + CAJo t d[A) 2 k[A]° dt 11/2 2 ICAJ 2k Arrhenius -Eaf Ink 2 lne + lnA Ink -Ea + lnA RT Rate law is result of experimental observation Rata k independent of conc. by on temp.
Kinetics 2nd Order Problem
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