Answer :
Temperature will the vapor pressure be 7.00 times higher than it was at 307 k is 324 K.
Calculation :
Given Data:
Heat of vaporization = 66.64kJ/mol
Final vapor pressure = 4 times of initial vapor pressure
Initial temperature = 307 K
The temperature is calculated by using the Clausius Clapeyron equation:
ln(P1/P2)=ΔHvap/R(1/T2−1/T1)
ln(P1/4P1)=66640Jmol⁻¹/8.314Jmol⁻¹K⁻¹(1/T2−1/307K)
ln(1/4)=8015.4(1/T2−1/307)
−1.38=8015.4/T2(−26.108)
T2=324K
Therefore, the temperature is 324 K.
Thermometers are calibrated at different temperature scales and have historically relied on different reference points and thermometric substances for definition. The most common scales are the Celsius scale with the unit symbol °C (previously called Celsius), the Fahrenheit scale (°F), and the Kelvin scale (K), the latter mostly used for scientific purposes. will be Kelvin is one of the seven basic units of the International System of Units (SI).
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