Calcualte the number of molecules in 5.6 litres of a gas at STP

Find number of molecules in 11.35 litres SO_(2) gas at STP.

2.24 dm^(3) of dry ammonia gas contain 6 x 10^(22) molecules at S.T .P. Calculate the number of molecules in 56 cm^(3) of dry nitrogen at S.T.P.

The volumes of gases A, B, C and D are in the ratio, 1:2:2:4 under the same conditions of temperature and pressure. If the volume of A is actually 5.6 dm at STP, calculate the number of molecules in the actual volume of D at STP (Avogadro's number is 6xx10^(23))

The number of water molecules in one litre of water is:

The number of molecules in a litre of a gas at temperature of 27^(@)C and a pressure of 10^(6) dyne cm^(-2)

Calculate the number of atoms and volume of 1g helium gas at STP

In a mixture of gases, the volume content of a gas is 0.06% at STP. Calculate the number of molecules of the gas in 1 L of the mixture.

"x" L of methane gas at STP contains 1.5xx10^(21) molecules. The number of molecules in "x" L of sulphur diocide at STP will be :

A 19.6 g of a given gaseous sample contains 2.8 g of molecules (d = 0.75 g L^(-1)) , 11.2 g of molecules (d = 3 g L^(-1)) and 5.6 g of molecules (d = 1.5 g L^(-1)) . All density measurements are made at STP . Calculate the total number of molecules (N) present in the given sample. Report your answer in 10^(23) N Assume Avogardro's number as 6 xx 10^(23) .

If the kinetic energy of the molecules in 5 litre of helium at 2 atm is (E ) . What is the kinetic energy of molecules in 15 litre of oxygen at 3 atm in terms of (E ) ?