A mixture of Ne and Ar kept in a closed vessel at 250 K has a total K.E.=3 kJ. The total mass of Ne and Ar is 30 g. Find mass % of Ne in gaseous mixture at 250 K.

A gaseous mixture containing 0.35g of N_(2) and 5600 ml of O_(2) at STP is kept in a 5 litres flask at 300K. The total pressure of the gaseous mixture is

A closed container of volume 0.02m^3 contains a mixture of neon and argon gases, at a temperature of 27^@C and pressure of 1xx10^5Nm^-2 . The total mass of the mixture is 28g. If the molar masses of neon and argon are 20 and 40gmol^-1 respectively, find the masses of the individual gasses in the container assuming them to be ideal (Universal gas constant R=8.314J//mol-K ).

A closed container of volume 0.02m^3 contains a mixture of neon and argon gases, at a temperature of 27^@C and pressure of 1xx10^5Nm^-2 . The total mass of the mixture is 28g. If the molar masses of neon and argon are 20 and 40gmol^-1 respectively, find the masses of the individual gasses in the container assuming them to be ideal (Universal gas constant R=8.314J//mol-K ).

Ice of mass 600 kg and at a temperature of -10^@C is placed in a copper vessel heated to 350^@C . The resultant mixture is 550 g of ice and water. Find the mass of the vessel. The specific heat capacity of copper (c)=100 cal//kg-K

15g urea and 20g NaOH dissolved in water. Total mass in solution is 250g. Mole fraction of NaOH in the mixture.

A mixture of NH_(3(g)) and N_(2)H_(4_((g))) is placed in a sealed container at 300 K . The total pressure is 0.5 atm . The container is heated to 1200 K , at which time both substances decompose completely according to the equations: 2NH_(3(g))rarrN_(2(g))+3H_(2(g)) N_(2)H_(4_((g)))rarrN_(2(g))+2H_(2(g)) After decomposition is complete, the total pressure at 1200 K is found to be 4.5 atm . Find the amount (mole) per cent of N_(2)H_(4(g)) in the original mixture.

i. The initial pressure of PCl_(5) present in one litre vessel at 200 K is 2 atm. At equilibrium the pressure increases to 3 atm with temperature increasing to 250 . The percentage dissociation of PCl_(5) at equilibrium is

N_2 and H_2 are taken in 1:3 molar ratio in a closed vessel to attained the following equilibrium , N_2(g)+3H_2(g) hArr 2NH_3(g) Find K_p for reaction at total pressure of 2P if P_(N_2) at equilibrium is P/3 :

A mixture of NO_2 and N_2O_4 has a vapour density of 38.3 at 300K. What is the number of moles of NO_2 in 130g of the mixture?

32 g of oxygen and 3.0 g of hydrogen are mixed and kept in a vessel at 760 mm pressure and 0^(@)C . The total volume occupied by the mixture will be nearly