Related InterviewSolutions

• A given mass of gas occupies `919.0` mL of dry state at N.T.P. The mass when collect over water at `15^(@)C` and `0.987 "bar"` pressure occupies one litre volume. Calculate the vapour pressure of water at `15^(@)C`.
• A balloon filled with an ideal is taken from the surface of the sea deep to a depth of 100 m. What will be its volume in terms of its original volume ?
• A balloon filled with helium rises to a certain height at which it gets fully inflated to a volume of `10^(5)` litres. If at this altitude, temperature and atmospheric pressure are 268 K and `2xx10^(-3)` atm respectively, what weight of helium will be required to fully inflate the balloon ?
• Hydrogen gas occupies a volume of `18` litres at `27^(@)C` and under a pressure of `0.92` bar. The number of moles present in the gas is :A. `0.56` molB. `0.67` molC. `0.35` molD. `0.87` mol
• A spherical balloon of 21 cm diameter is to be filled with hydrogen at NTP from a cylinder containing the gas at20 atmosphere at `27^(@)C`.If the cylinder can hold 2.82 litres of water, calculate the number of balloons that can be filled up.
• At `27^(@)C` and under one atosphere pressure, a gas occupies a volume of V L. In case the temperature is increased to `177^(@)C` and pressure to `1.5` bar, the correponding volume will be :A. `V mL`B. `2V mL`C. `V//2 mL`D. `V//3 mL`
• At `27^(@)C` and one atmospheric pressure, a gas has volume V. What will be its volume at `177^(@)C` and a pressure of 1.5 atmosphere ?
• Find the temperature at which 3 moles of `SO_(2)` will occupy a volume of 10 litre at a pressure of 15 atm `a = 6.71 atm "litre"^(2) mol^(-2), b = 0.0564 " litre " mol^(-1)`
• What is density of `SO_(2)` gas at `27^(@)C` and 2 atmospheric pressure ? (At. Wts. S=32, O=16, R=0.0821 L atm `K^(-1)mol^(-1)`)
• The diffusion coefficient of an ideal gas is proportional to its mean free path and mean speed. The absolute temperature of an ideal gas is increased 4 times and its pressure is increased 2 times.As a result, the diffusion coefficient of this gas increases `x` times. The value of `x` is........