What is vapour pressure?

At 20^@C , the vapour pressure of pure liquid A is 22 mm Hg and that of pure liquid B is 75 mm Hg . What is the composition of the solution of these two components that has vapour pressure of 48.5 mm Hg at this temperature?

The vapour pressure of acetone at 298 K is 40 mm of Hg . Its mole fraction in a solution with alcohol is 0.80 . What is its vapour pressure in solution if the mixture obey Raoult's law?

The vapour pressure of pure water at 25@ C is 23.00 torr. What is the vapour pressure of 100 g of water to which 100 g of C_(6)H_(12)O_(6) (glucose) has been added ?

The vapour pressure of pure water at 37^@C is 47.1 torr. What is the vapour pressure of an aqueous solution at 37^@C containing 20 g of glucose dissolved in 500 gm of water. Also calculate vapour pressure lowering

At 25^(@)C , the total pressure of an ideal solution obtained by mixing 3 mole of A and 2 mole of B, is 184 torr. What is the vapour pressure (in torr) of pure B at the same temperature (Vapour pressure of pure A at 25^(@)C is 200 torr) ?

An aqueous solution of methanol in water has vapour pressure

An aqueous solution of methanol in water has vapour pressure

3 moles of P and 2 moles of Q are mixed , what will be their total vapour pressure in the solution if their partial vapour pressures are 80 and 60 torr respectively ?

An ideal solution was found to have a vapour pressure of 80 torr when the mole fraction of a non-volatile solute was 0.2. What would be the vapour pressure of the pure solvent at the same temperature?

A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased. a. what is the initial effect of the change on vapour pressure? b. How do rates of evaporation and condensation change initially? c. What happens when equilibrium is restored finally and what will be the final vapour pressure?