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1 HE 30LUBILITY Ji" G •• SES Ii:�- -��..:.'l'ER-ME'l'H.aHOL MIXTURES

.. �ND DERIVED 'l' HEH.MODYNAMIC PROPER'l' IES

RATES OF SOLU1'ION OF G;.SES

M Alltlrftllillll i flflii I If i liif y 1061960756

ACKNOwLEDGEMEN'l' S

I w i sh t o e xpr e s s my i nd eb t ed n e s s t o

Dr . H. N . Par t o n f or h i s he l pf u l s u pe r vi sion and

enc ouragement d ur i n� the c o ur s e of t hi s �ork and t o

the D . s . r . R . f o r a Nat i ona l Re s e arch S c ho larshi p ,

1 9 4 7 1 9 4 9.

CONtENTS

Thermod ynamics of So lut i on. 1 Ent ro py of S o lut ion - from C avi t y Fo rmat ion . 3

Fr ee Vo lume A s pec t s of Ent ro py of S o lu t i o n . 11 Fre e Vo lume and Free Ang le Rat i os . 1 5

Corre lat ion of Gas S o lub i li t y w i t h Phy s i c a l

Pro pert i e s of t he S o lvent .

A lc oho l -wat er Mixture s .

( i) Part i a l Mo la l Vo lumes .

34

41

42

( i i ) Heat � Ent r o py and Free En e r gy of Mixing . 44

( i i i ) Vis c os i t y . 55

( i v ) Sound Ve loc i t y a nd Compress i b i li t y . 58

( v ) Gas So lub i li t y and Entr o py o f S o lut i on . 60

C a lcu l ation of Fre e Vo lume of A lc oho l-wat er

M i xt ures . 62

Gas S o lub i l i t y Meas urement s . 66

Ty pes of Ga s S o lub i li t y A p par a t us . 72

C ri t i c i sms of Pre v i ous Gas S o lub i li t y Work . 76

PRESEN'l' INVES'l' IG�'l'ION

The .� p parat us .

Man i pu lation of Rare Gas e s .

Pur i f i ca t i o n of Mat eri a ls .

78

8 5

87

Methods of Expressing Gas Solubility.

Standard States.

Calculation of Results.

IJ.LSCUSSIJN

(a j dccuracy of Gas Solubility Methods in

Page

89

9 1

94

General. 11 7

(b) Effect of Changing Methanol Concentration

on Gas Solubility. 125

(c) temperature Coefficient of Gas Solubility. 1 27

(d) Entropy of Solution. 138

(e) Heat and Free Energy of Solution. 148

Introduction.

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Temperature Coefficient of Diffusion.

Discussion.

�; l[MNl�RY

t<Eli'EREHCES

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