The rae of effusionof heium gas at a pressure of 1000 torr is 10 torr `"min"^(-1)`. What will be the rate of effusion of hydrogen gas at a pressure of 2000 torr at the same temperature?

What is 1 Torr pressure ?

What is one torr of pressure?

A certain container has 5 xx 10^(23) molecules of a gas A at a pressure of 900 torr By a photo -chemical combination allowing light to fall on the molecules the pressure drops to 500 torr due to dimerization If the temperature and volume remain the same how many monomer dimer and total molecules are present after exposure to light ? .

A gas occupies a volume of 250 cm^(3) at 745 torr and 25^(@)C . What additional pressure is required to reduce the volume of the gas to 200 cm^(3) at the same temperature ?

A gas occupies a volume of 250 cm^(3) at 745 torr and 25^(@)C . What additional pressure is required to reduce the volume of the gas to 200 cm^(2) at the same temperature ?

What will be the normal atmospheric pressure in bar and also in torr ?

What is the value of 1 atm in torr. Define atmospheric pressure.

At 25^(@)C , the vapour pressure of ethanol is 63 torr. What does it mean?