If 250ml of `N_(2)` at `30^(@)C` and a pressure of 250mm Hg are mixed with 400ml of `CH_(4)` at `30^(@)C` and pressure of 300mm Hg so that the volume of the resulting mixture is 350ml, what will be the final pressure of the mixture at `30^(@)C`? 

If 200 mL " of " N_(2) " at " 25^(@)C and a pressure of 250 mm are mixed with 350 mL " of " O_(2) " at " 25^(@)C and a pressure of 300 mm so that, the volume of resulting mixture is 300 mL , what would be the final pressure of the mixture at 25^(@)C ?

If 200 mL " of " N_(2) " at " 25^(@)C and a pressure of 250 mm are mixed with 350 mL " of " O_(2) " at " 25^(@)C and a pressure of 300 mm so that, the volume of resulting mixture is 300 mL , what would be the final pressure of the mixture at 25^(@)C ?

If 250 mL of N_(2) over water at 30^(@)C and a total pressure of 740 torr is mixed with 300 mL of Ne over water at 25^(@)C and a total pressure of 780 torr, what will be the total pressure if the mixture is in a 500 mL vessel over water at 35^(@)C . (Given : Vapour pressure (Aqueous tension )of H_(2)O at 25^(@)C and 35^(@)C are 23.8, 31.8 and 42.2 torr respectively. Assume volume of H_(2)O(l) is negligible in final vessel)

If 250 mL of N_(2) over water at 30^(@)C and a total pressure of 740 torr is mixed with 300 mL of Ne over water at 25^(@)C and a total pressure of 780 torr, what will be the total pressure if the mixture is in a 500 mL vessel over water at 35^(@)C . (Given : Vapour pressure (Aqueous tension )of H_(2)O at 25^(@)C and 35^(@)C are 23.8, 31.8 and 42.2 torr respectively. Assume volume of H_(2)O(l) is negligible in final vessel)

If 250 mL of N_(2) over water at 30^(@)C and a total pressure of 740 torr is mixed with 300 mL of Ne over water at 25^(@)C and a total pressure of 780 torr, what will be the total pressure if the mixture is in a 500 mL vessel over water at 35^(@)C . (Given : Vapour pressure (Aqueous tension )of H_(2)O at 25^(@)C , 30^(@)C and 35^(@)C are 23.8, 31.8 and 42.2 torr respectively. Assume volume of H_(2)O(l) is negligible in final vessel)

200 mL of hydrogen and 250 mL of nitrogen each measured at 15^(@)C and 760 mm pressure are but together in a 500 mL flask. What will be the final pressure of the mixture at 15^(@)C ?

125 mL of a gas A of pressure 500 mm is mixed with 200 mL of another gas B at a pressure of 300 mm in a vessel of 150 mL capacity. What will be the total pressure of the resulting mixture if the temperature is kept contant ?

Give reason, when 30ml of ethyl alcohol is mixed with 30ml water, the volume of the resulting mixture is more than 60ml.

At N.T.P the volume of a gas is found to be 250mL. What will be the volume of this gas at 600mm Hg and 250^o C?