A `3000 cm^(3)` tank contains oxygen at `20^(@)C` and the gauge pressure is `2.5 xx 10^(6) Pa`. Find the mass of the oxygen in the tank. Take 1 atm `= 10^(5) Pa`.

The manometer has a water column difference of 50 cm . If the atmospheric pressure is 10^(5) Pa, find the pressure of the gas in the container .

The manometer has a water column difference of 50 cm . If the atmospheric pressure is 10^(5) Pa, find the pressure of the gas in the container .

A steel tank contains 300 g of ammonia gas (NH_(3)) at a pressure of 1.35 xx 10^(6) Pa and a temperature of 77^(@)C . Later the temperature is 22^(@)C and the pressure is 8.7 xx 10^(5) Pa .

A steel tank contains 300 g of ammonia gas (NH_(3)) at a pressure of 1.35 xx 10^(6) Pa and a temperature of 77^(@)C . Later the temperature is 22^(@)C and the pressure is 8.7 xx 10^(5) Pa .

If the density of nitrogen is 1.25 kg/ m^(3) at a pressure of 10^(5) Pa, find the root mean square velocity of oxygen molecules.

Oxygen gas having a volume of 1200 cm at 40.0^@ C and 1.01 xx 10^5 Pa expands until its temperature is 493 k and its pressure is 1.06 x 109 Pa. Find (a) the number of moles of oxygen present and (b) the final volume of the sample.

The solubility of pure oxygen in water at 20 ^(@) C and one atmosphere pressure is 1.38 xx 10 ^(-3) mol L^(-1) Calculate the concentration of oxygen at 20 ^(@) C and partial pressure of 0.21 atm.

Two tanks of equal volume contain equal mass of oxygen and nitrogen at 127^@C .Find the ratio of pressure in two tanks.

The range of water flowing out of a small hole made at a depth 10 m below water surface in a large tank is R . Find the extra pressure (in atm) applied on the water surface so that range becomes 2R . Take 1atm=10^(5)Pa .