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- Title
INTERPOLATION METHOD FOR DETERMINATION OF THERMODYNAMIC VALUES.
- Authors
BAIKUSHEVA-DIMITROVA, G.; GENIEVA, S.; YANKOVA, R.
- Abstract
In the present paper, a regression method for determination of the standard enthalpies of formation of selenites of rare earth elements is suggested. The interpolation formulae of Newton for non-equidistant values of the argument from the computational methods of mathematical analysis were used. For the selected angles of interpolation, the standard enthalpies calculated by the polynomial coincided with the arithmetic average values calculated by three methods: method of ion increments, method of Kapustinski and method of Berkengeim, as it should be. For compounds outside the interpolation angles, the enthalpies were calculated by the interpolation method of Newton. It can be seen that there was a good agreement with the arithmetic average values of these substances.
- Subjects
SELENITES; RARE earth metals; ENTHALPY; THERMODYNAMICS; INTERPOLATION
- Publication
Oxidation Communications, 2019, Vol 42, Issue 1, p1
- ISSN
0209-4541
- Publication type
Article