A cylinder contains hydrogen gas at pressure of `249 kPa` and temperature `27 degree C`. Its density is (`R=8.3J mol^-1K^-1`)

A cylinder contains hydrogen gas at pressure of 249 kPa and temperature 27°C. It's density is (Given, R = 8.3 J mol ^ { - 1 } K ^ { - 1 })

A cylinder contains SO_(2) gas at a pressure of 4.1 atmosphere and at 47^(@)C temperature.The density of the gas in the cylinder is

How many moles of oxygen are present in 400 cm^(3) sample of the gas at a pressure of 760 mm Hg and a temperature of 27^(@)C . (The value of R is given to be 8.31 kPa dm^(3) K^(-1) mol^(-1) .

How many moles of oxygen are present in 400 cm^(3) sample of the gas at a pressure of 760 mm Hg and a temperature of 27^(@)C . (The value of R is given to be 8.31 kPa dm^(3) K^(-1) mol^(-1) .

Calculate the number of moles of hydrogen present in 500 cm^(3) of a gas under a pressure of 101.3 kPA at a temperature of 300K . ( R=8.314 J K^(-1) mol^(-1)) .

Calculate the number of moles of hydrogen present in 500 cm^(3) of a gas under a pressure of 101.3 kPA at a temperature of 300K . ( R=8.314 J K^(-1) mol^(-1)) .

A cylinder contains a gas at temperature of 27^(0)C and a pressure 1MPa . If the temperature of the gas is lowered to -23^(0)C , the change in pressure is

The K.E. of one mole of a gas at normal temperature and perssure is (R=8.31 J mol^(-1)K^(-1)) ........... .

What is the pressure of HCl gas at - 40^(@)C if its density is 8.0 kg m^(-3) ? (R = 8.314 J K^(-1) mol^(-1))