Stoichiometry Questions

• Number of gm moles of solute dissolved in 1 kg of solvent is called its
• 1 ata is equivalent to
• The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be
• 1 centipoise is equivalent to
• Number of gm moles of solute dissolved in one litre of a solution is called its
• Total energy at a point comprises of __________ energy.
• 1 BTU/ft3 is approximately equal to __________ kcal/m3.
• 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?
• Pick out the wrong statement:
• Hess's law of constant heat summation is based on conservation of mass. It deals with
• A chemical process is said to occur under unsteady state, if the
• At 100°C, water and methylcyclohexane both have vapour pressures of 1 atm. Also at 100°C, the latent heats of vaporisation of these compounds are 40.63 kJ/mole for water and 31.55 kJ/mole for methylcyclohexane. The vapour pressure of water at 150°C is 4.69 atm. At 150°C, the vapour pressure of methylcyclohexane would be expected to be
• For estimation of heat capacity of a solid compound, one can use
• Which of the following ratios defines the recycle ratio in a chemical process?
• With increase in the temperature of pure (distilled) water, its
• Size range of the colloidals particles is
• An azeotropic solution of two liquids has boiling point lower than either of them, when it
• "The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements." This is the statement of
• 1 kg/cm2 is equal to
• Isotonic solutions must have the same