Stoichiometry MCQs

The vapor pressure of water at 100°C is

At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant?

On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes

The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.

The value of (C_p - C_v) for a real gas obeying Vander Wall's equation is

The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water X_w in the vapour phase satisfies

Kopp's rule is concerned with the calculation of

1 torr is equal to __________ mm Hg column.

The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour