The amino acid glycine dimerizes to form the dipeptide glycylglycine according to the reaction 2Glycine(s) Glycylglycine(s) +

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The amino acid glycine dimerizes to form the dipeptide glycylglycine according to the reaction

2Glycine(s) †’ Glycylglycine(s) + H2O(l)

Calculate ΔS, ΔSsurroundings , and ΔSuniverse at T = 298 K. Useful thermodynamic data follow:

Glycylglycine Water -285.8 Glycine -537.2 AH (kJ mol) SJK- mol-!) -746.0 103.5 190.0 70.0

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Physical Chemistry

ISBN: 978-0321812001

3rd edition

Authors: Thomas Engel, Philip Reid

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