![]() It was assumed that 1,3-cy-C6H8 and cy-C6H10 have similar solution enthalpies in heptane MS The reaction enthalpy was obtained from the value for the reaction 2Cr(Cp)(CO)3(H)(cr) + 1,3-cy-C6H8(solution) = 2(cr) + cy-C6H10(solution), -98.3 ± 3.8 kJ/mol Landrum and Hoff, 1985, together with the calculated enthalpy for 1,3-cy-C6H8(l) + H2(g) = cy-C6H10(l), -112.2☑.3 Pedley, 1994. MSīy formula: C 6H 10 + H 2 = C 6H 12 QuantityĪverage of 8 values Individual data pointsīy formula: C 16H 10Cr 2O 6 (cr) + H 2 (g) = 2 C 8H 6CrO 3 (cr) Quantity Solvent: Decalin Calculated from equilibrium and kinetic data Poë, Sampson, et al., 1993. Range of 6 values Individual data pointsĬ 11H 2O 11Os (solution) + (solution) = (g) + (solution)īy formula: C 11H 2O 11Os (solution) + CO (solution) = H 2 (g) + C 12O 12Os 3 (solution) Quantity The results corrected for 1 atm pressure of H2 are 18.0 kJ/mol and -10.9 J/(mol K) Rathke, Klingler, et al., 1992 MSĪverage of 4 out of 11 values Individual data points Solvent: n-Heptane Temperature range: 307-428 K. Solvent: n-Heptane Temperature range: 353-428 K MS ![]() A rather different value has, however, been reported for the activation enthalpy of the forward reaction, 104.6 kJ/mol Ungváry, 1972 MS Solvent: n-Heptane The reaction enthalpy relies on the experimental values for the forward and reverse activation enthalpies, 72.4 and 46.0 kJ/mol, respectively Alemdaroglu, Penninger, et al., 1976. The results corrected for 1 atm pressure of H2 are 16.7 kJ/mol and -17.6 J/(mol K) Rathke, Klingler, et al., 1992 MS Solvent: Supercritical carbon dioxide Temperature range: 333-453 K. Reaction search pages in place of the enumerated reactionīy formula: C 8Co 2O 8 (solution) + H 2 (solution) = 2 C 4HCoO 4 (solution) Quantity Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Mass spectrum (electron ionization), Constants of diatomic molecules, References, Notes SRD 156 – Clathrate Hydrate Physical Property Database ![]() SRSD 3 – Web Thermo Tables (WTT), professional edition SRSD 2 – Web Thermo Tables (WTT), "lite" edition SRD 103b – Thermo Data Engine (TDE) for pure compounds, SRD 103a – Thermo Data Engine (TDE) for pure compounds. (TRC) data available from this site, much more physicalĪnd chemical property data is available from the In addition to the Thermodynamics Research Center mol/l by extrapolation of rectilinear diameter to Tc TRCĬoefficents calculated by NIST from author's data. Uncertainty assigned by TRC = 0.0119 bar derived from vapor pressure extrapolated to Tc TRC Uncertainty assigned by TRC = 0.2 K derived from P-V-T measurements TRC Uncertainty assigned by TRC = 0.0004 bar TRC Uncertainty assigned by TRC = 0.05 K temperature measured with He gas thermometer TRC Uncertainty assigned by TRC = 0.06 K see property X for dP/dT for c-l equil. TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), Constants of diatomic molecules, References, Notes Requires a JavaScript / HTML 5 canvas capable browser.ĭata last reviewed in March, 1977 New parameter fit October 2001 Gas Phase Heat Capacity (Shomate Equation) Secretary of Commerce on behalf of the U.S.A. Go To: Top, Phase change data, Reaction thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), Constants of diatomic molecules, References, Notesīy the U.S. Your institution may already be a subscriber.įollow the links above to find out more about the data With the development of data collections included in The purpose of the fee is to recover costs associated NIST subscription sites provide data under theĭata Program, but require an annual fee to access. ![]() NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data).NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data).Computational Chemistry Comparison and Benchmark Database.Electron-Impact Ionization Cross Sections (on physics web site).Reaction thermochemistry data (reactions 1 to 50).Use this link for bookmarking this species This structure is also available as a 2d Mol file IUPAC Standard InChIKey: UFHFLCQGNIYNRP-UHFFFAOYSA-N Copy.For example, our desired reaction has C 2H 4 as a reactant, and only one reaction from our data has C 2H 4. We will start by writing chemical reactions that put the correct number of moles of the correct substance on the proper side. ![]()
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