University:
College
Course:
College Chemistry
Academic year:

2023
Views:

432

Pages:

2
Author:

Welly R.

DateSing OF AG system Is an indicator of SpontaneityThe Equilibrium StateRepresents a balance between the forward t reverse reaction.Neither direction represents a spon: allows reaction. when asystem Is at equilibrium, As univ = 0 t AG syst = OSpontaneity as a Function OF Temp ( Revisited )standard Gibbs Energy OF Reaction A56.X The gibbs energy change when all reactants and Products arePresent in their Standard States ata temperature of interest (eseaul25°C) of under an external Pressure of Ibar. Units; k)/ma OF reacticextensive Property)Standard StateActivities "call of all reactants t Products is equal to 1.P gas. > Doar ( solute = INAll Solids L liquids must be Present in some amount is lequiredAre - ATH - TATS useful equationAIG Predicts Spontanelty of a chemical reaction at Sandardcandition only.Thermod Ynamic PropertiesAH + As'can be assumed to be independent OF temperature withlittle erora over short tem perature rangesAG is strongly depen dent on temperature.At IT, AH is domsnant (-TAS is small )At IT,-TASTI dominant C-TA 5 is largeCSDipindai dengan CamScanner No.DatePrediting Spontaneity at Standard conditionsAH0caseAs-TASAc°Direction OF changeGSP1-+(allT)Forward(allT)2(VT)--t+(TT)Forward (VT)reveise (AT)(VL)3++IT)Forward (iT)reverse (VT)4+++ (allT)reverse(allT)CSDipindai dengan CamScanner