States of Matter (Gaseous & Liquid State) questions
213 published questions with worked solutions.
- A certain gas takes three times as long to effuse out as helium. Its molecular mass will be:
- A gas behaves most like an ideal gas under conditions of:
- At lower temperatures, all gases except H _2 and He show:
- The pressure of a gas having 2 mole in a 44.8 litre vessel at 540 K is:
- The circulation of blood in the human body supplies O _2 and releases CO _2. The concentrations of O _2 and CO _2 are variable,...
- A cylinder containing 5 litre of O _2 at 25° C was leaking. When the leakage was checked, the pressure inside the cylinder was...
- The compressibility factor for N _2 at 300 K and 5 bar is 0.9. What would be the molar volume (L) of N _2 under these conditions?...
- If the value of van der Waals' constant b is 20 cm ^3/ mol , then find out the value of critical volume in cm ^3/ mol .
- The compressibility factor for N _2 at 300 K and 5 bar is 0.9. What would be the molar volume (L) of N _2 under these conditions?...
- The value of Z for one mole of a real gas at 2° C and 100 atm pressure is 0.446. Assuming the volume of the gas molecule as...
- If the value of van der Waals' constant b is 20 cm ^3/ mol , then find out the value of critical volume in cm ^3/ mol .
- At 298 K, the density of an ideal gas A at 1 bar is the same as that of dinitrogen at 2 bar. The molar mass of gas A is _____ g...
- To an evacuated empty vessel which has a movable piston under external pressure of 1 atm, 0.20 mol of He and 1.00 mol of an...
- The van der Waal's constants of gas A are given as: a (atm L² mol⁻²) = 8, b (L mol⁻¹) = 0.060. The critical pressure of A is...
- 1 g of an ideal gas X is introduced into an evacuated flask kept at 298 K. The pressure is found to be 1 atm. If 2 g of another...
- During an experiment, 296 L of H₂ was collected at 1 atm pressure and 27 °C temperature. The mass of H₂ approximately is _____ g.
- The closed vessel contains equimolar N₂ and O₂ and some amount of He. The total pressure is 8 atm. If the pressure exerted by He...
- An unknown ideal gas diffuses 2.92 times slower than helium. Its molecular mass is _____ g mol⁻¹.
- A gas occupies a volume of 200 mL at a pressure of 360 mm Hg. At what pressure (in mm Hg), the quantity of the gas will occupy a...
- Calculate the mass (in grams) of oxygen gas that will occupy 4.105 L of volume at 1.5 atm pressure and temperature 400 K.
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