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Prediction of specific heat of organic liquids
Author(s) -
Sakiadis Byron C.,
Coates Jesse
Publication year - 1956
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690020119
Subject(s) - thermodynamics , constant (computer programming) , chemistry , hydrocarbon , specific heat , absolute deviation , hydrocarbon mixtures , atmospheric temperature range , volume (thermodynamics) , range (aeronautics) , analytical chemistry (journal) , materials science , organic chemistry , mathematics , physics , statistics , computer science , composite material , programming language
Abstract A theoretical equation is presented for predicting the specific heat at constant volume and constant pressure of organic liquids as a function of temperature from data on the velocity of sound, infrared and Raman spectra. By use of this equation, the average deviation of the calculated from the experimental values of specific heat for 100 organic liquids at 68°F. is ±1.5%. An alternate correlation for hydrocarbon liquids based on a modified statement of the theory of corresponding states is also presented. Based on it, the average deviation of the calculated from the experimental values for 100 points representing the entire temperature range is ±0.9%.

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