1.

The Vander Waals equation of state is \(\left( {p + \frac{a}{{{v^2}}}} \right)\left( {v - b} \right) = RT,\) where p is pressure, v is specific volume, T is temperature and R is characteristic gas constant. The SI unit of a is

A. J/kg. K
B. m3/kg
C. m5/kgs2
D. Pa/kg
Answer» D. Pa/kg


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