mole and molecules

The number of molecules in a gram-mole of molecule of a gas is called

The minimum magnitude of heat of hydrogenation per mole of molecule is of:

Calculate the number of atoms in : (i) 0.25 moles atoms of carbon (ii) 0.20 mole molecules of oxygen.

In vander Waals gas equation, the term that accounts for the volume occupied by 'n' mole molecules is

Calculate number of atoms in each of the following: I. 0.5 mol of nitrogen II. 0.2 mole molecules of hydrogen III. 32 g of sulphur

Calculate the number of atoms in (i) 0.5 mole atoms of carbon ( C^12 ) (ii) 3.2 g of sulphur (iii) 18.0 g of glucose ( C_6 H_12O_6 ) (iv) 0.20 mole molecules of oxygen

N_(2) molecule is spherical of radius 100 pm. What is the volume of molecules in one mole of a gas ?

The diamagnetic molecules from among mole cules of second period elements are