Sodium hydroxide

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Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
MS - José A. Martinho Simões

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Individual Reactions

2Sodium hydroxide + acetyl fluoride = Acetic acid, sodium salt + sodium fluoride + Water

By formula: 2HNaO + C2H3FO = C2H3NaO2 + FNa + H2O

Quantity Value Units Method Reference Comment
Δr-56.15 ± 0.08kJ/molCmPritchard and Skinner, 1950liquid phase; Corrected for CODATA value of ΔfH; HF(100); ALS
Δr-177.kJ/molCmCarson and Skinner, 1949liquid phase; ALS

2Sodium hydroxide + Dioxybismethanol = Hydrogen + 2sodium formate + 2Water

By formula: 2HNaO + C2H6O4 = H2 + 2CHNaO2 + 2H2O

Quantity Value Units Method Reference Comment
Δr-293.3 ± 5.0kJ/molCmJenkins and Style, 1953solid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -292. kJ/mol; ALS

Sodium hydroxide + Ketene = Acetic acid, sodium salt

By formula: HNaO + C2H2O = C2H3NaO2

Quantity Value Units Method Reference Comment
Δr-208.2 ± 1.6kJ/molCmNuttall, Laufer, et al., 1971gas phase; ALS
Δr-197.3kJ/molCmRice and Greenberg, 1934gas phase; ALS

C2Na2 (cr) + 2Water (l) = 2(Sodium hydroxide • 1418Water) (solution) + Acetylene (g)

By formula: C2Na2 (cr) + 2H2O (l) = 2(HNaO • 1418H2O) (solution) + C2H2 (g)

Quantity Value Units Method Reference Comment
Δr-161.8 ± 1.5kJ/molRSCJohnson, van Deventer, et al., 1973Please also see Pedley and Rylance, 1977.; MS

C2HNa (cr) + Water (l) = (Sodium hydroxide • 1418Water) (solution) + Acetylene (g)

By formula: C2HNa (cr) + H2O (l) = (HNaO • 1418H2O) (solution) + C2H2 (g)

Quantity Value Units Method Reference Comment
Δr-54.2 ± 0.8kJ/molRSCJohnson, van Deventer, et al., 1973Please also see Pedley and Rylance, 1977.; MS

3Sodium hydroxide + Carbonochloridic acid, ethyl ester = CNa2O3 + Ethanol + sodium chloride + Water

By formula: 3HNaO + C3H5ClO2 = CNa2O3 + C2H6O + ClNa + H2O

Quantity Value Units Method Reference Comment
Δr-323.3 ± 1.7kJ/molCmDavies, Finch, et al., 1980liquid phase; Heat of hydrolysis; ALS

2Sodium hydroxide + Cyanogen bromide = sodium bromide + Water + CNO.Na

By formula: 2HNaO + CBrN = BrNa + H2O + CNO.Na

Quantity Value Units Method Reference Comment
Δr-234.6 ± 0.71kJ/molCmLord and Woolf, 1954solid phase; Heat of hydrolysis; ALS

2Sodium hydroxide + Cyanogen iodide = Sodium iodide + Water + CNO.Na

By formula: 2HNaO + CIN = INa + H2O + CNO.Na

Quantity Value Units Method Reference Comment
Δr-193.9 ± 0.3kJ/molCmLord and Woolf, 1954solid phase; Heat of hydrolysis; ALS

2Sodium hydroxide + Cyanogen chloride = sodium chloride + Water + CNO.Na

By formula: 2HNaO + CClN = ClNa + H2O + CNO.Na

Quantity Value Units Method Reference Comment
Δr-277.5 ± 0.4kJ/molCmLord and Woolf, 1954solid phase; Heat of Hydrolysis; ALS

Acetaldehyde, tribromo- + Sodium hydroxide = sodium formate + Methane, tribromo-

By formula: C2HBr3O + HNaO = CHNaO2 + CHBr3

Quantity Value Units Method Reference Comment
Δr-93.72kJ/molCmPritchard and Skinner, 1950, 2liquid phase; Heat of hydrolysis; ALS

Sodium hydroxide + Chloral = sodium formate + Trichloromethane

By formula: HNaO + C2HCl3O = CHNaO2 + CHCl3

Quantity Value Units Method Reference Comment
Δr-102.8kJ/molCmPritchard and Skinner, 1950, 2liquid phase; Heat of hydrolysis; ALS

Sodium hydroxide + Acetamide = Acetic acid, sodium salt + Ammonia

By formula: HNaO + C2H5NO = C2H3NaO2 + H3N

Quantity Value Units Method Reference Comment
Δr-45.6kJ/molCmCalvet, 1933solid phase; Heat of hydrolysis; ALS

C6H5NaO (cr) + Water (l) = Phenol (cr) + Sodium hydroxide (cr)

By formula: C6H5NaO (cr) + H2O (l) = C6H6O (cr) + HNaO (cr)

Quantity Value Units Method Reference Comment
Δr21.4 ± 3.6kJ/molRSCLeal, Pires de Matos, et al., 1991MS

C2H5NaO (cr) + Water (l) = Sodium hydroxide (cr) + Ethanol (l)

By formula: C2H5NaO (cr) + H2O (l) = HNaO (cr) + C2H6O (l)

Quantity Value Units Method Reference Comment
Δr-5.7 ± 1.9kJ/molRSCLeal, Pires de Matos, et al., 1991MS

sodium methanolate (cr) + Water (l) = Sodium hydroxide (cr) + Methyl Alcohol (l)

By formula: CH3NaO (cr) + H2O (l) = HNaO (cr) + CH4O (l)

Quantity Value Units Method Reference Comment
Δr-6.5 ± 2.4kJ/molRSCLeal, Pires de Matos, et al., 1991MS

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Pritchard and Skinner, 1950
Pritchard, H.O.; Skinner, H.A., The heat of hydrolysis of acetyl fluoride, J. Chem. Soc., 1950, 1099. [all data]

Carson and Skinner, 1949
Carson, A.S.; Skinner, H.A., 201. Carbon-halogen bond energies in the acetyl halides, J. Chem. Soc., 1949, 936-939. [all data]

Jenkins and Style, 1953
Jenkins, A.D.; Style, D.W.G., The thermochemistry and pyrolysis of bishydroxymethyl, J. Chem. Soc., 1953, 2337-23. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Nuttall, Laufer, et al., 1971
Nuttall, R.L.; Laufer, A.H.; Kilday, M.V., The enthalpy of formation of ketene, J. Chem. Thermodyn., 1971, 3, 167-174. [all data]

Rice and Greenberg, 1934
Rice, F.O.; Greenberg, J., Ketene. III. Heat of formation and heat of reaction with alcohols, J. Am. Chem. Soc., 1934, 38, 2268-2270. [all data]

Johnson, van Deventer, et al., 1973
Johnson, G.K.; van Deventer, E.H.; Ackerman, J.P.; Hubbard, W.N.; Osborne, D.W.; Flotow, H.L., J. Chem. Thermodyn., 1973, 5, 57. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Davies, Finch, et al., 1980
Davies, R.H.; Finch, A.; Gardner, P.J., The standard enthalpy of formation of liquid and gaseous ethylchloroformate (C3H5O2Cl), J. Chem. Thermodyn., 1980, 12, 291-296. [all data]

Lord and Woolf, 1954
Lord, G.; Woolf, A.A., The cyanogen halides. Part III. Their heats of formation and free energies, J. Chem. Soc., 1954, 2546-2551. [all data]

Pritchard and Skinner, 1950, 2
Pritchard, H.O.; Skinner, H.A., The heats of hydrolysis of chloral and bromal, and the C-C bond dissociation energies in chloral and bromal, J. Am. Chem. Soc., 1950, 1928-1931. [all data]

Calvet, 1933
Calvet, E., Mesures thermochimiques directes en chimie organique vitesses et chaleurs de saponification des amides. II.-Mesures effectuees et resultats obtenus, J. Chim. Phys., 1933, 30, 140-146. [all data]

Leal, Pires de Matos, et al., 1991
Leal, J.P.; Pires de Matos, A.; Martinho Simões, J.A., J. Organometal. Chem., 1991, 403, 1. [all data]


Notes

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