Answer :
Final answer:
The normal boiling point of Cyclohexane is the temperature at which its vapor pressure equals 1 atmosphere. Using the Clausius Clapeyron Equation, we can calculate the normal boiling point to be approximately 80°C.
Explanation:
The normal boiling point of a substance is the temperature at which the vapor pressure equals 1 atmosphere. Thus, to find the normal boiling point of Cyclohexane, we have to calculate for the temperature where its vapor pressure is 1 atm. We can make use of the Clausius Clapeyron equation for this problem:
ΔvapH= -R(lnP2 - lnP1) / (1/T2 - 1/T1)
Where P1 is the initial pressure (0.527 atm), P2 is the final pressure (1 atm), T1 is the initial temp in Kelvin (334 K), T2 is the unknown final temperature, and R is the gas constant (8.314 x [tex]10^-3[/tex] kJ/K•mol).
Solving for T2 gives us 353 K, which is approximately 80°C when converted from Kelvin to Celsius.
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