Which is the best estimate of the fugacity of liquid methanol at T = 298.15 K and P = 10 MPa, as calculated using only data in the Appendix of this book?
A. 137 kPa
B. 191 kPa
C. 197 kPa
D. Over 10700kPa
E. Not possible with only the appendix data.
A. Incorrect. This is the exponential factor (with spurious units); you are two steps away from the actual answer.
B. Incorrect. You may have made a mistake in calculating the vapor pressure using Antoine’s equation. Review the units on the equation and try again.
C. Correct. Using Antoine and Poynting, you should get this result.
D. Incorrect. Check your units before taking the exponential.
E. Incorrect. Review the chapter for ideas, and especially the concept of fugacity.
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