A tank is charged with a mixture of `1.0xx10^(3)` mol of oxygen and `4.5xx10^(3)mol` of helium. Find the mole fraction of each gas in the mixture.

A mixture of ethane and ethene occupies 41 L at atm and 500 K. The mixture reacts compeletly with 10/3 mole of oxygen to produce CO_(2) and water. The mole fraction of ethane and ethene in the mixture are (R=0.0821L atm K^(-1)mol^(-1) respectively

A cylinder of compressed gas contains nitrogen and oxygen in the molar ratio of 3:1 . If the cylinder contains 2.5 xx 10^(4)g of oxygen, what is the total mass of the gas in the mixture ?

A spherical balloon of volume 4.00 xx 10^(3) cm^(3) contains helium at a pressure of 1.20 xx 10^(5) Pa . How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 xx 10^(-22) J ?

The value of gamma=C_p/C_v for a gaseous mixture consisting of 2.0 moles of oxygen and 3.0 moles of helium. The gases are assumed to be ideal.

A reaction carried out by 1 mol of N_(2) and 3 mol of H_(2) shows at equilibrium the mole fraction of NH_(3) as 0.012 at 500^(@)C and 10 atm pressure. Calculate K_(p) Also report the pressure at which "mole" % of NH_(3) in equilibrium mixture is increased to 10.4 .

A mixture of 1.65 xx 10^(21) molecules of X and 1.85 xx 10^(21) molecules of Y weighs 0.688 g . The mol . wt . Of X is (Assume mol . wt . Of Y is 187)