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The enthalpies of combustion and formation of N-propylcyclopentane and five methylethylcyclopentanes.
J Chem Thermodynamics 1971 Jan; 3(1):97-103
The enthalpies of combustion of n-propylcyclopentane and five isomeric methylethyl-cyclopentanes were determined by oxygen-bomb combustion calorimetry. The following values, based on the mass of sample, are reported for the standard enthalpy of combustion deltaH degrees c/(298.15 K)/kcal mol-1 of these compounds in the liquid state: n-propylcyclopentane, -(1253.82 +/- 0.18); 1-methyl-1-ethylcyclopentane, -(1252.62 +/- 0.22); 1-methyl-cis-2-ethylcyclopentane, -(1253.32 +/- 0.22); 1-methyl-trans-2-ethylcyclopentane, -(1252.30 +/- 0.20); 1-methyl-cis-3-ethylcyclopentane, -(1252.47 +/- 0.22); and 1-methyl-trans-3-ethylcyclopentane, -(1252.09 +/- 0.20). Enthalpies of formation in the liquid state are derived. A comparison of the enthalpies of combustion of the alkyl cyclopentanes and alkyl cyclohexanes is made.
OP; Journal Article
Issue of Publication
The Journal of Chemical Thermodynamics
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division