What is the molar volume of methane at T = 300 K and P = 1.5 MPa, according to the virial equation of state (Equation 7.91)?
A. 1.65 m3/mol
B. 0.993 m3/mol
C. 0.709 m3/mol
D. -0.291 m3/mol
E. None of these
A. Incorrect. You are off by several orders of magnitude. Check your calculations, especially your value for the gas constant.
B. Incorrect. This is the compressibility factor’s value though, so you probably forgot the last step only.
C. Incorrect. You have probably flipped a ratio in your calculations. Go back and try again.
D. Incorrect. This is a physically unrealistic result. Restart your calculations.
E. Correct. The actual V is 0.00165 m3/mol.
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