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Volume 52, number 2 CIII:hIICAL PHYSICS LETTERS 1 Dcccmhcr 1977 ENERGY, ENTROPY AND THE REACTION COORDINATE
 

Summary: Volume 52, number 2 CIII:hIICAL PHYSICS LETTERS 1 Dcccmhcr 1977
ENERGY, ENTROPY AND THE REACTION COORDINATE:
THERMODYNAMIC-LIKE RELATIONS 1NCHEMICAL KINETICS*
N. ACMON and R.D. LEVINE
Department ofPity.wal Ch3711stry. The Hebrew Uruversity. Jcrctsakw, Israel
licccwctl 24 August 1977
A Gmplc thcrrnotlynamic-like intcrprctution of the rclatlon bctwccn the kinctlc .md the tRcrlllodyn,rtnIc p~r.~mcte~s oi
chcniical reactions ("linear free cncrpy relations") is discuc\cd and applied. The central concept is the mtroduct10n of ml\-
ing (or configurational) entropy to account for the activation barrier of chcmic.11 rcxtion\.
I. Introduction
Empirical relations between the kinetic and thcrmo-
dynamic parameters of chemical reactions have been
extensively discussed [ l-5] . Such relation% arc known
under a grcut variety of' descriptive names, rcflccting
the absence of an agreed upon con~non origin. In thus
Ictter WC outline a unified, thcrmodyn:~mic-like, ap-
proach to the derivation, interpretation and applica-
tion of such relations. The tfleory, as dcvclopcd here,
applies only to concerted reactions which can be
viewed as a continuous transformatton from the re-

  

Source: Agmon, Noam - Institute of Chemistry, Hebrew University of Jerusalem

 

Collections: Chemistry