Determine the vapour pressure of n-butanol, C₄H₁₀O, at a temperature of 298 K, given that the normal boiling temperature is 391 K and enthalpy of vaporization is 52.1 kJ mol^–1.

The normal boiling temperature of 1,1,1-trichloroethane, C₂H₃Cl₃, is 74°C, and the specific enthalpy of vaporization is 32.5 kJ mol^–1.Determine the vapour pressure at a temperature of 298 K.

The Henry's law constant for nitrogen dissolved in water at 298 K is 8.68 ´ 10⁹ Pa. Determine the fractional amount of nitrogen in water in equilibrium with air at a pressure of 1.2 atm and temperature of 298 K.

What is the osmotic pressure generated at 25°C by a solution of 2.10 g of sucrose, C₁₂H₂₂O₁₁, in 100 cm³ of water?

Determine the mass of sucrose, C₁₂H₂₂O₁₁, that must be added to water to create an aqueous solution of volume 0.05 dm³ with an osmotic pressure of 1.0 atm.

Estimate the increase in the vapour pressure of 1-heptanol, C₇H₁₆O, from when the temperature is 350 K to when the temperature is 400 K. The normal boiling temperature is 448 K and enthalpy of vaporization is 67.1 kJ mol^–1.

Estimate the change in the vapour pressure of ethanoic acid, C₂H₄O, from when the temperature is 300 K to when the temperature is 320 K. The normal boiling temperature is 391 K and enthalpy of vaporization is 50.3 kJ mol^–1.

What is the osmotic pressure generated at 25°C by a solution of 1.00 g of glucose, C₆H₁₂O₆, in 1000 cm³ of water at 298 K?

Determine the mass of sucrose, C₁₂H₂₂O₁₁, that must be added to water to create an aqueous solution of volume 0.10 dm³ with an osmotic pressure of 1.0 atm at 298 K.

0.25 g of a protein is added to 500 cm³ water at 25 °C and the osmotic pressure is measured as 350 Pa. Estimate the relative molecular mass of the protein.