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Heat Capacity Difference of Alkali Metals
Current Issue
Volume 6, 2019
Issue 2 (April)
Pages: 52-57   |   Vol. 6, No. 2, April 2019   |   Follow on         
Paper in PDF Downloads: 40   Since May 19, 2019 Views: 1273   Since May 19, 2019
Authors
[1]
Balasubramanian Ramasamy, Department of Physics, Arignar Anna Government Arts College, Namakkal, India.
[2]
Anupriya Subramanyam, Department of Physics, Arignar Anna Government Arts College, Namakkal, India.
Abstract
The heat capacity difference of liquid alkali metals has been the determined on the basis of a generalized van der Waals equation of state over a wide range of temperatures from the boiling point to the critical point. With the increase in temperature, the heat capacity difference of liquid alkali metals is found to increase. In the temperature range from the boiling point to 0.8𝑇𝑐, the heat capacity difference of liquid alkali metals has a parabolic dependence on temperature. In the temperature range from 0.8𝑇C to 𝑇C, heat capacity difference of liquid alkali metals has a linear dependence on temperature with a large positive slope. As the generalized van der Waals equation of the state accurately determines the thermophysical properties of alkali metals in wide range of temperature from the boiling point to the critical point, the obtained data on the heat capacity difference of liquid alkali metals may be considered to be reliable.
Keywords
Alkali Metals, Heat Capacity, Equation of State
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