Using the NIST Webbook, if one looks up the molar enthalpy of pure benzene at 308.15 K
Question:
Using the NIST Webbook, if one looks up the molar enthalpy of pure benzene at 308.15 K and 1 bar, the reported value is –6359.6 J/mol. Figure 9-3 has this same property as being equal to 1356.9 J/mol (via Example 9-2). Whose value, if any, is in error? Please explain your answer.
Transcribed Image Text:
H(J/mol) 3500 3000 2500 2000 1500 1000 500 0 0 298.15 K 0.2 308.15 K 0.4 0.6 Mole fraction benzene FIGURE 9-3 Molar enthalpy for the benzene + 2-propanol system at two temperatures (blue = 298.15 K and black = 308.15 K). X 0.8 Based on Nagata I., Asano H., Fujiwara K., Fluid Phase Equilib., 1, 211-217, 1977-1978 1
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Related Book For
Fundamentals Of Chemical Engineering Thermodynamics
ISBN: 9781111580704
1st Edition
Authors: Kevin D. Dahm, Donald P. Visco
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