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Ethanol at 40°C, the vapor pressure is 135.3 mmHg, and its latent heat of vaporization is 9410 cal/gmol. Determine its vapor pressure at 50°C. The gas constant is 1.987 cal/(gmol °K). Note: 760mmHg = 1 atm

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Answer:

The vapour pressure at 55.5 °C is 282 mmHg.

Step-by-step explanation:

Chemists often use the Clausius-Clapeyron equation to estimate the vapour pressures of pure liquids:

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