Please explain degrees of freedom,its formula & illustrations for monoatomic,diatomic & triatomic gas molecules.

degree of freedom is simply distribution of total energy of gas molecules ...

degree of freedom is denoted by f ...

KE = fkT/2

for monoatomic , He type

f = 3

KE = 3kT/2

for dia atomic           (H₂ type)

f = 5

KE = 5kT/2

fror triatomic          (CO₂ type)

f = 6

KE = 6kT/2

for monoatomic f = 3 , total energy is translational KE ...

for dia atomic , f =5 , 3 for translational & 2 for rotational KE

for tri atomic , f =6 , 3 for translational, 2 for rotational & 1 for vibrational KE ...

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