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Heat of combustion and formation of cyanogen
1951
Journal of research of the National Bureau of Standards
Preserved Fulltext
Calorimetric measureme nts weTe made of the heat of combustio n of cyanogen in oxygen in a flame at consta nt press ure. The data y ielded the following value for the reaction of combu stion: C2N 2 (gas) + 202 (gas)= 2C02 (gas)+N2 (gas), !1FIc o at 25° C= -1095.97 ± 1.80 kj /mole = -261.94 ± 0.43 kcal/mole. Utili zing t he value for t he h eat of formation of carbon dioxide, the following value is given for the reaction of formation : 2C (solid, g raphi te) +~2 (gas) =C2X2 (gas) , MljO at 25° C=308.94 ± 1.80 kj /mole = 73 .84± 0.43 k ca1/mole.
doi:10.6028/jres.046.052
fatcat:qa4bba7cqnddrhwygix7mxsmry