Diethyl ether is a volatile, highly flammable organic liquid that is used mainly as a solvent.  The vapor pressure of diethyl ether is 401 mmHg at 18 degrees C. Calculate its vapor pressure at 65 degrees C.

The melting point of copper metal is 1083 °C. The vapor pressure of solid copper is reported to be 3.56x107 atm at 1063 °C. Estimate the number of gaseous copper atoms per cubic centimeter in equilibrium with solid copper at 1063 °C (20 °C below its melting point). atoms/cm³

The enthalpy of vaporization for methanol is 35.2 kJ/mol. Methanol has a vapor pressure of 1 atm at 64.7 °C. Using the Clausius-Clapeyron equation, what is the vapor pressure for methanol at 59.2 °C? Give your answer in atmospheres, to the third decimal point.

3. The molar enthalpy of vaporization of carbon disulfide is 26.74 kJ/mol, and its normal boiling point is 46°C. What is the vapor pressure of CS2 at 0°C?

Calculate the Molar mass of a volatile liquid (g/mol) from the following data:- Mass of dry flask, foil, and rubber band (g) = 80.11 %3D Temperature of boiling water (°C) = 98.9 Mass of dry flask, foil, rubber band, and vapors (g) = 80.45 Volume of Erlenmeyer flask (Litres) = 0.347 Atmospheric Pressure (atm) = 1 7.9 g/mol 19.9 g/mol 29.9 g/mol 34.9 g/mol 39.9 g/mol

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The vapor pressure of benzene is 224 mmHg at 45 °C and 648 mmHg at 75 °C.(a) Find the enthalpy of vaporization of benzene, ∆Hvap (kJ/mol), assuming it is constant. You may also assume that ZV − ZL ≃ 1. B)

The enthalpy of vaporization of Substance X is 28.0kJ/mol and its normal boiling point is −111.°C. Calculate the vapor pressure of X at −160.°C. Round your answer to 2 significant digits.

the vapor pressure of water is 44.2 atm at 454.9 K, and the vapor pressure of water is 51.5 atm at 834k. calculate the enthalpy of vaporization in kj/mol

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