Stoichiometry MCQs

What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively?

Heat capacity of air can be approximately expressed as, C_p = 26.693 + 7.365 × 10^-3 T, where, C_p is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to -100°C is

Claussius Clapeyron equation applies to the __________ process.

One micron is equal to

Enthalpy of a vapor gas mixture may be increased by increasing the

Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces?

The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm.

Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is x_B and the vapour pressures of benzene and water at these conditions are P_v^B and P_v^w respectively. The partial pressure of benzene in air-vapour mixture is

At room temperature, the product [H⁺] [OH^-] in a solution is 10^-14 moles/litre. If, [OH^-] = 10^-6 moles/litre, then the pH of the solution will be