The energy equation for mixtures can be written for polymers in the form By analogy to the development of the Scatchard Hildebrand theory, this can be rearranged to where N di degree of polymerization for the ith component molar density x i mole fraction of the ith component N A Avogadros number U ...

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The energy equation for mixtures can be written for polymers in the form: By analogy to the

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The energy equation for mixtures can be written for polymers in the form: U-Uig RT Nu; RT ...Na Naf- 2 Amr dr

By analogy to the development of the Scatchard-Hildebrand theory, this can be rearranged to: U-Uig URI - NaNa V RT 2RTZ.

where

N_di = degree of polymerization for the ith component

ρ = molar density

x_i = mole fraction of the ith component

N_A = Avogadro¡¦s number

U = molar internal energy.

a_ii* = 3 + 2/Ndi

a_ij* = a_ii* a_jj*)1/2

σ_ij³= (σ_i³+ σ_i³)/2

ε_ij = (ε_ii ε_jj)1/2

Derive an expression for ln γ₁ for the activity coefficient model presented above.

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Introductory Chemical Engineering Thermodynamics

ISBN: 9780136068549

2nd Edition

Authors: J. Elliott, Carl Lira

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Question Posted: Oct 03, 2023 02:44 PM

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The energy equation for mixtures can be written for polymers in the form: By analogy to the

Question:

U-Uig RT – Nu; RT ΣΣ...Na Naf- 2 Amr dr

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Introductory Chemical Engineering Thermodynamics

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