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Can I get explanation to the teacher solution as to how he got that long empirical equation for B the one that start with -1.6767…………., also how did he do dB/dT to get the value of 7.64*10^-7

Can I get explanation to the teacher solution as to how he got that long empirical equation for B the one that start with -1.6767…………., also how did he do dB/dT to get the value of 7.64*10^-7

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Can I get explanation to the teacher solution as to how he got that long empirical equation for B the one that start with -1.6767…………., also how did he do dB/dT to get the value of 7.64*10^-7
Solution Since we cannot find B at 220 K in the table, we will need to fit data to an empirical equation with Tin Kelvin. X # 3 B = -1.67676 x 10-5 F3 E - At T = 220 K, B = -8.75027 x 10-5 m³/mol dB/dT=7.64079 x 10-7 m³/mol K 64079 x 107 m³/m 4 10 C Q Search $ dB R dT *- 5 T G 9.42467 T3 + 6 H 5.85799 x 10-³ 5.85799 x 10-3 T2 N 4 J M ( 9 K O ) 4.71233 T2 O W P ; [ JE
Transcribed Image Text:Solution Since we cannot find B at 220 K in the table, we will need to fit data to an empirical equation with Tin Kelvin. X # 3 B = -1.67676 x 10-5 F3 E - At T = 220 K, B = -8.75027 x 10-5 m³/mol dB/dT=7.64079 x 10-7 m³/mol K 64079 x 107 m³/m 4 10 C Q Search $ dB R dT *- 5 T G 9.42467 T3 + 6 H 5.85799 x 10-³ 5.85799 x 10-3 T2 N 4 J M ( 9 K O ) 4.71233 T2 O W P ; [ JE
Question 7 Using the data shown below to calculate the residual enthalpy and entropy at 220 K, 20 bar assuming the validity of truncated virial equation. T (K) B (cm³/mol) 108.45 -364.99 125.2 -267.97 149.1 -188.04 186.4 -126.21 223.6 -82.62 249.3 -68.53
Transcribed Image Text:Question 7 Using the data shown below to calculate the residual enthalpy and entropy at 220 K, 20 bar assuming the validity of truncated virial equation. T (K) B (cm³/mol) 108.45 -364.99 125.2 -267.97 149.1 -188.04 186.4 -126.21 223.6 -82.62 249.3 -68.53
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