TABLE A.7 Organic Compounds (cont.) ,G (1 M) Pumaric acid trans-HoOCCH CHCOOH()
ID: 702390 • Letter: T
Question
TABLE A.7 Organic Compounds (cont.) ,G (1 M) Pumaric acid trans-HoOCCH CHCOOH() -604.15 -81107 166.165361 6499 919.31 924.7 -12744 212191040 917.35 a-D-Galactose, C,H20, ) -1285.37 2054 693.9 L-Glutamic acid, C1?04 (') Glycerol, HOCH,CHOHCH,OH Olycylglycine, C,HMO, ? -100sp8 11820-731.18-7226 488.44 -5372 1035 37763 -379.84 6686 20447 4769 -745.25 18995 -490,48 47:48 20799-347.04 LIsoleucine, CHNO, Lactate (ag) L-Lactic acid, CH,CHOHCOOH ()694.08 14226 -522.86 -638.1 517.75 -2236,72 38621566.76 -159 69 -646.8 211.79 356.9535298 L-Leucine, C.HNO, () Maleic acid. aPHOOCCH-CHCOOH (s) Methanol, CH3OH () 238.57 1268 -829.94 120.08 -4669 213.63 211.49 -584.5 166.2 -175.2 Oxalic acid, HOOCCOOH () L-Phenylalanine, C,H NO, ) Pyruvic acid, CH CHCOOH () Succinate (aq) -701.11 428 79.5 -463.33 747.36 74615 -2222.1 50.2 -119.3 Sacrose, Ci,HOu) L-Tyrosine, cji" No, (s) L- Valine, C,HINO () )4150 25104 3853837073 -203.79 214.01 3331710460889 617.98 178.86 46333 -671.5 -197.1Explanation / Answer
Hydrolysis of glycylglycine
Gly-Gly(s) + H2O(?) ? 2 Gly(aq)
?G°f,Gly-Gly = -490.48 kJ/mol
?G°f,Gly = -379.84 kJ/mol
?G°f,water = -285.83 kJ/mol
Change in Gibbs energy = 2*?G°f,Gly - ?G°f,water - ?G°f,Gly-Gly
= 2*(-379.84) + 285.83 + 490.48
= 16.63 kJ/mol
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