Question:
The Antoine constant for the component is given by \( A = 16.678, B = 3640.2, C = 219.61 \). The pressure (kPa) for the temperature 373 K is
The Antoine constant for the component is given by \( A = 16.678, B = 3640.2, C = 219.61 \). The pressure (kPa) for the temperature 373 K is
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The Antoine equation relates temperature and vapor pressure for pure components.
Updated On: Feb 7, 2025
- 100
- 200
- 37.6
- 50.8
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The Correct Option is C
Solution and Explanation
The Antoine equation is given by:
\[
\log_{10} P = A - \frac{B}{T + C}
\]
Substitute \( A = 16.678, B = 3640.2, C = 219.61, T = 373 \, K \):
\[
\log_{10} P = 16.678 - \frac{3640.2}{373 + 219.61} \approx 1.575
\]
\[
P \approx 37.6 \, {kPa}
\]
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