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Near critical measurements of HmE andVmE for (ethane  +  sulphur hexafluoride)

✍ Scribed by C.J Wormald; R.W Hodgetts

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
209 KB
Volume
34
Category
Article
ISSN
0021-9614

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✦ Synopsis

A flow mixing calorimeter and a vibrating-tube densimeter have been used to measure excess molar enthalpies H E m and excess molar volumes

Measurements over a range of mole fractions x have been made at T = 305.65 K and T = 312.15 K and at the pressures (3.76, 4.32, 4.88 and 6.0) MPa. The pressure 3.76 MPa is close to the critical pressure of SF 6 , the pressure 4.88 MPa is close to the critical pressure of C 2 H 6 , and the pressure 4.32 MPa is midway between these values. The measurements are compared with the Patel-Teja equation of state which reproduces the main features of the excess function curves as well as it does for similar measurements on {x CO 2 + (1 -x)C 2 H 6 }, {x CO 2 + (1 -x)C 2 H 4 } and {x CO 2 + (1 -x)SF 6 }.

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