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Semiempirična določitev parnega tlaka čistih tekočin
ID Sanda, Brina (Author), ID Jamnik, Andrej (Mentor) More about this mentor... This link opens in a new window

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Abstract
V diplomski nalogi sem se v teoretičnem delu posvetila opisu faznih diagramov čistih snovi. V računskem delu sem s Clausius-Clapeyronovo in Wagnerjevo enačbo izračunala parni tlak vode in metanola pri različnih temperaturah. Izračune obeh enačb sem grafično primerjala z eksperimentalnimi vrednostmi iz literature. S primerjavo sem ugotovila, da se izračuni Wagnerjeve enačbe dobro ujemajo z eksperimentalnimi vrednostmi v celotnem temperaturnem območju, izračuni Clausius-Clapeyronove enačbe so pa pravilni samo pri nižjih temperaturah.

Language:Slovenian
Keywords:fazna ravnotežja, fazni diagrami čistih snovi, Clapeyronova enačba, Clausius-Clapeyronova enačba, Wagnerjeva enačba
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Technology
Year:2020
PID:20.500.12556/RUL-121942 This link opens in a new window
COBISS.SI-ID:41341699 This link opens in a new window
Publication date in RUL:10.11.2020
Views:1209
Downloads:161
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Secondary language

Language:English
Title:Semiempirical determination of vapor pressure of pure liquids
Abstract:
In my bachelor's thesis, the theoretical part focused on the description of phase diagrams of pure substances. In second part I calculated the vapor pressure of water and methanol at different temperatures using the Clausius-Clapeyron and Wagner equations. I compared the calculations of both equations with the experimental values from the literature. I found out that the calculations of Wagner equation match well with the experimental values in the entire temperature range whereas the results of Clausius-Clapeyron equation are accurate only at lower temperatures.

Keywords:phase equilibria, phase diagrams of pure substances, Clapeyron equation, Clausius-Clapeyron equation, Wagner equation

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