Boiling point of a solution as compared to that of the corresponding solvent is
either more or less; depends upon the solvent
In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure
kg of solute/kg of solvent
kg-mole of solute/kg-mole of solvent
kg-mole of solute/1000 kg of solvent
All (A), (B) & (C)
"The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituentelements.
" This is the statement of
Nearnst heat theorem
Law of Petit and Dulong
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
The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent
either more or less; depends on the solvent
__________ chart is a graph related to Antonie equation
A chemical process is said to occur under unsteady state, if the
flow rates & composition both are time dependent.
None of these.
ratio of streams entering/leaving are independent of time.
inventory changes do not take place.
Roult's law is obeyed by a __________ solution
NONE OF THESE
The reaction A + B → C has been conducted in a reactor as shownbelow.
The number of balances (material) that can be made around the reactor are
The osmotic pressure of a solution is directly proportional to the
molecular concentration of the solute.
absolute temperature of a given concentration.
lowering of vapor pressure.
all (a), (b) and (c).
In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is
decreased with the increase in pressure.
unchanged by the pressure change.
increased with the increase in pressure.
NONE OF THESE
independent of the temperature.
The pressure of 'V' litres of a dry gas is increased from 1 to 2 kgf/cm2 at a constanttemperature.
The new volume will become
Kinematic viscosity of 1 m2 /second is equivalent to __________ stokes
__________ equation relates latent heat and boiling point
Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be __________ atmosphere
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules
collide without loss of energy.
are above the inversion temperature.
do work equal to loss in kinetic energy.
exert no attractive force on each other.
A perfectly insulated container of volume V is divided into two equal halves by apartition.
One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container
will be greater than 298 K.
Can not be determined.
will be 298 K.
will be less than 298 K.
Dry air is a mixture of
Both (a) & (b)
Neither (A) Nor (B)
A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight
The temperature at which a real gas obeys Boyle's law is termed as the
take a quick Quiz
Practice mcqs on Stoichiometry
pick difficulty level