1L of a gas is at a pressure of `10^(-6)` mm of Hg at `25^(@)C`. How many molecules are present in the vessel.

Oxygen is present in a flask of 1.12L capacity at a pressure of 7.6 xx 10^(-10) mm of Hg at 0^@C . The number of oxygen molecules in the flask is

4.4 grams of carbondioxide present in a vessel at certain temperature exerts a pressure of 1000 kPa. Keeping the temperature constant if the gas is evacuated to have a rediual pressure of 0.01 kPa,how many molecules are left in the vessel ?

Oxygen gas is present,in a 1.0 L flask at a pressure of 7.6 xx 10^(-10)mm Hg at 27^@C . Calculate the number of oxygen atoms in the "flask

A 2 L vessel contains oxygen at a pressure of 380 mm Hg at 27^(@)C.140g of N_(2) gas is introduced in the vessel. Will the pressure of gaseous mixture increase or decrease and do what extent?

Oxygen is present in a 1 litre flask at a pressure of 7.6 xx 10^(-10) mm of Hg. Calculate the number of oxygen molecules in the flask at 0^@C

Oxygen gas is present in a 1L flask ata pressure 7.6xx10^(-10)mm Hg at 0^(@)C . Calculate the number of O_(2) molecules in the flask.

N_(2) gas is present in one litre flask at a pressure of 7.6 xx 10^(-10) mm of Hg. The number of N_(2) gas molecules in the flask at 0°C are

N_2 gas is present in one litre flask at a pressure of 7.6 xx 10^(-10) mm of Hg. The number of N_2 gas molecules in the flask at 0^@C are