Which of the following expressions is equivalent to (?V/?P)T for the van der Waals equation of state?
A.(?V^3 (?V- b)^2)/(2a(?V- b)^2-RT?V^3 )
B.(?V- b)^2/(-RT)+ ?V^3/2a
C.-?V^2 (RT+?V/2a)
D.Not possible.
E.None of these are equivalent.
A. Correct. Using algebra to manipulate the partial differential and then the solution provides this answer.
B. Incorrect. Your post-calculus algebra is incorrect.
C. Incorrect. Your post-calculus algebra is incorrect.
D. Incorrect. Try transforming the partial differential to match the equation of state.
E. Incorrect. One of these is the correct transformation.
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