Question

The Debye temperature of carbon is 1850K. Calculate the specific heat per kmol for
diamond at 20K. Also compute the highest lattice frequency involved in the Debye theory.

Answer 1

Answer:

The Debye temperature of carbon is 1850K. Calculate the specific heat per kmol for

diamond at 20K. Also compute the highest lattice frequency involved in the Debye theory.Drawn an arc with centre O and radius OR. Mark the point of intersection of the line and the arc as C. The point C shows the number Sq3Express 5/-9denominator egpealto 72.

as a rational number

with -aAnswer on Question #51562, Physics, Solid State PhysicsThe Debye temperature for silver is 225 K. Calculate thehighest possible frequency for lattice vibrations in silver and its molar heat capacity at 10 K and 500 K.Solution:The maximum frequency of vibration of the atoms of solid bodiesis given by Eq.(1)2312341.38 10 / 2254.7 106.62 10BDDkTJKKfHzhJs   (1)where 231.38 10 /BkJKis the Boltzmann constant; 346.62 10hJs  is the Planck constant; DTis the Debye temperature.The molar heat capacityis given by Eq.(2)34/2091DTTVBDTeCTNkdTe(2)where Nis the number of atoms in a solid body.Than34225/1023 232034225/50023 23201010 9 6.02 10 1.38 10 / 0.17 /2251500500 9 6.02 10 1.38 10 / 26.67 /2251VVeCTJKdJKeeCTJKdJKe          Answer:124.7 10BDDkTfHzh  ; 10 0.17 /VCTJK; 500 26.67