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Ethane, 1,2-dibromo- Page 3 of 17 <br /> A,apH (kJ/mol) Temperature (K) Reference Comment <br /> ( 41.780 404.7 Svoboda,Kubes, et al., 1992 DH <br /> 34.77 404.8 Majer and Svoboda, 1985 <br /> Antoine Equation Parameters <br /> log,a(P)=A- (B/(T+ C)) <br /> P =vapor pressure (bar) <br /> T =temperature (K) <br /> View plot Requires a Java capable browser. <br /> Temperature A B C Reference Comment <br /> (K) <br /> 246. -404.6 7.369143 4101.146 153.034 Stull, Coefficents calculated by NIST from <br /> 1947 author's data. <br /> Enthalpy of sublimation <br /> A..,H (kJ/mol) Temperature(K) Method Reference Comment <br /> 49.9 251. -281. NIA Stephenson and Malanowski, 1987 C <br /> 54.8 229. - 248. NIA Nitta, Seki, et al., 1948 C <br /> 49.8 251. - 281. A Stull, 1947, 2 C <br /> Enthalpy of phase transition <br /> AH,. (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment <br /> 1.9405 249.54 crystaline,II crystalin, I Pitzer, 1940 DH <br /> 10.9445 283.0 crystaline,I liquid Pitzer, 1940 DH <br /> 1.880 250.6 crystaline, III crystalin, I Railing, 1939 JDH <br /> 10.835 283.1 crystaline, Il liquid Railing, 1939 DH <br /> Entropy of phase transition <br /> AS,,,,, (J/mol*K) Temperature(K) Initial Phase Final Phase Reference Comment <br /> 7.78 249.54 crystaline, II crystaline, I Pitzer, 1940 DH <br /> 38.67 283.0 crystaline, I liquid Pitzer, 1940 DH <br /> 7.5 250.6 crystaline, III crystaline, I Railing, 1939 DH <br /> 38.31 283.11 crystaline, 11 liquid Railing, 1939 DH <br /> Reaction thermochemistry data <br /> .../cbook.cgi?Name=ethylene+dibromide&Units=Sl&cTG=on&cIR=on&cTC=on&cMS=on&cTP 8/1/00 <br /> I <br />