In a HCI molecule, we may treat Cl to be of infinite mass and H alone oscillating. If the osillation of HCI molecule shows frequency `9xx10^(13) s^(-1)`, deduce the force constant. The Avogadro number `=6xx10^(26)` per kg-mole.

In a HC1 molecule, we may treat C1 to be of infinite mass and H along oscillating. If the oscillations of HC1 molecule shows frequency 8xx10^(13)s^(-1) , deduce the force constant. Avogadro's number =6xx10^(26) per kg mol.

Calculate kinetic energy of a gram molecule of oxygen at 127^(@)C . Value of Boltzmann constant = 1.381 xx 10^(-23) J K^(-1) . Avogardro's number = 6.022 xx 10^(23) per gm-mole.

A solid silver sphere of radius 1 cm is charged to a potential of 10 KV. Calculate the fraction eta of the aloms ionized assuming that one atom contributes only one free electron. Density of silver =10.5xx10^(3)kg m^(-3) and its atomic weight is 107.9 (Avogadro's number =6xx10^(26)kg mol^(-1) and charge of an electron =1.6xx10^(-19) C.

Assuming that there is one free electron per atom in copper, determine the number of free electrons in 1 "metre"^(3) volume of copper. Density of copper is 8.9xx10^(3) kgm^(-3) and atomic weight 63.5. (Avogadro's number, N=6.02xx10^(26) per kg-atom).

The kinetic energy of a molecule of hydrogen at 0^(@) is 5.64 xx 10^(-21) J . Calculate Avogadro's number. Take R = 8.31 xx J "mole"^(-1) K^(-1)

The average kinetic energy of one molecule of an ideal gas at 27^@C and 1 atm pressure is [Avogadro number N_A=6.023xx10^(23) ]

Calculate the value of Boltzmann constant k_(B) , Given R = 8.3 xx 10^(3) J//kg-mol-K and Avogadro number, N = 6.03 xx 10^(26)//kg-mol .

How many moles of electrons weigh one kilogram? (Mass of electron =9.108xx10^(-31) kg, Avogadro's number =6.023xx10^(23) )

What is the drift velcity of electrons in silver wire of length 1 m having cross-sectional area 3.14xx10^(-6)m^(2) and carrying a current of 10 A . Given atomic mass of silver =108, density of silver =10.5xx10^(3) kg m^(-3) , charge on electron =1.6xx10^(-19) C and Avogadro's number =6.023xx10^(26) per kt-atom.