Two flask A and B of equal capacity contains `CO_(2)` and `O_(2)` gas under similar conditions their ratio of atoms is :-

Two flasks A and B of equal capacity of volume contain SO_3 and CO gas respectively under similar conditions of temperature and pressure. Then, which of the following statement is true?

Four one litre flasks are separately filled with the gases, O_(2),F_(2),CH_(4) and CO_(2) under the same conditions. The ratio of number of molecules its these gases:

Two flask of equal volumes contains N_(2) and O_(2) gases at the same temperature and pressure. Which will have greater number of molecules?

If helium and oxygen gas are allowed to escape out of a container containing equal amount of He and O_2 under slmllar conditions of temperature and pressure the ratio of rate of diffusion of O_2 to that of He is

For effusion of equal volume, a gas takes twice the time as taken by methane under similar conditions. The molar mass of the gas is

Three flasks of equal volumes contain CH_(4),CO_(2), " and "Cl_(2) gases respectively. They will contain equal number of molecules if :

Two flasks ‘A’ and B’ have equal volumes. Flask ‘A’ contains H_(2) and is maintained at 300 K while ‘B’ contains equal mass of CH_(4) gas and is maintained at 600 K. Which flask contains greater number of molecules? How many times more?

A definite amount of gaseous hydrocarbon having ("carbon atoms less than" 5) was burnt with sufficient amount of O_(2) . The volume of all reactants was 600mL . After the explosion the volume of the product [CO_(2)(g) and H_(2)O (g)] was found to be 700 mL under the similar conditions. The molecular formula of the compound is ?

Which gas, out of O_(2) and CO_(2) is more soluble ?

A certain gas takes half of the time to effuse out as taken by Ne gas under similar conditions of temperature and pressure from a hole . Its molecular mass will be