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Thermodynamic Properties of the Higher Manganese Carbide

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Refractory Carbides

Part of the book series: Studies in Soviet Science ((STSS))

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Abstract

The thermodynamic properties of the higher manganese carbide in Mn7C3 have been determined by measuring the emf of the high-temperature galvanic cells

$$ ( - )M{n_{{solid}}}\left| {_{{MnC{l_2}}}^{{KCl = NaCl}}} \right|[M{n_7}{C_3} + {C_{{graphite}}}]( + ) $$

In the range 1000–1150°K the isobar-isothermal potential of the formation of the carbide is represented by the equation

$$ \Delta {Z^o} = - 22.470 - 0.492T\,kcal/mole $$

The standard heats and entropies of formation are, respectively, -19.8 ± 1.2 kcal/mole and 1.1 ± 0.4 cal/deg • mole.

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Literature Cited

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Authors
  1. V. N. Eremenko
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  2. G. M. Lukashenko
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  3. R. I. Polotskaya
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Editor information

Editors and Affiliations

  1. Institute of Problems in Materials Science, Academy of Sciences of the Ukrainian SSR, Kiev, USSR

    Grigorii V. Samsonov

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© 1974 Consultants Bureau, New York

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Eremenko, V.N., Lukashenko, G.M., Polotskaya, R.I. (1974). Thermodynamic Properties of the Higher Manganese Carbide. In: Samsonov, G.V. (eds) Refractory Carbides. Studies in Soviet Science. Springer, New York, NY. https://doi.org/10.1007/978-1-4684-8598-1_41

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  • DOI: https://doi.org/10.1007/978-1-4684-8598-1_41

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4684-8600-1

  • Online ISBN: 978-1-4684-8598-1

  • eBook Packages: Springer Book Archive

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