Precisely `1 mol` of helium and `1 mol` of neon are placed in a container. Indicate the correct statements about the system.

Precisely 1 mol of He and 1 mol of Ne are placed in a container. Select correct statements about the system-

Indicate the completely correct statement about human races

2mol of N_(2) and 1mol of He are introduced into a 10L evacuated closed container at 27^(@)C .The pressure set up in the container will be

3 mols of A and 1 mol of B are mixed in a 1L container. The reaction taking place is A(g)+B(g) iff 2C(g) . If 1.5 mol of C is formed at equilibrium, the K_(c) of the reaction is

1 mol of CH_(4) contains

1 mol of CH_(4) contains

1 mol of ._(7)^(14)N^(-3) ions contains:

1 mol of ._(7)^(14)N^(-3) ions contains:

A sample of helium and neon gases has a temperature of 300 K and pressure of 1.0 atm . The molar mass of helium is 4.0 g//mol and that of neon is 20.2 g//mol . (a) Find the rms speed of the helium atoms and of the neon atoms. (b) What is the average kinetic energy per atom of each gas ?