IMG_0001_NEW_0021 - As-rndinss and Temperature trElrrdc I:H...

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As--rndinss and Temperature trElrrdc of AS determined by temperature - I:H: Etrrgy from random motions -!fnU: less randomness = Low ^S A&Hrt + T e'ge o/o Increase in S - El bF: more randomness = High,S Aeg llear + Smaller o/o Increase in S ^t_a l/T ASso, q -A,Hryru^ AS =-*f AG and Spontaneity &:6JI- TN atconstant TardP Sire: ^L* =-+ at constant T and P rc < 0 = Spontaneous rc > 0 = NotSpontaneous & :0 = AtEquilibrium . Rdim is spontaneous in the direction ftdbe fi,ee energy decreases AG and Chemical Reactions . Standard free energy change: AG" . AGo: Change in free energy (at STP) when: Reactants .-----> Products (in standard states) (in standard states) Nr(g) + 3HrG:) + 2NHr(g) AG": -33.3 kJ . Ads for dilferent reactions + comparison of reaction tendencies . MoreNegative LG" + Equilib. furthertoright . But, AGo
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