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. , , , . Δ S . , , m 0 υ -(- m 0 υ) = 2 m 0 υ,

: 0- , υ - .

Δ t Δ S , Δ S υ Δ t. n Δ Δ t (n - ).

, Δ S , . , 1/3 , , .. 1/6 , , . , , Δ S 1/6 n Δ Δ t.

Δ P =2 m 0 υ∙ n Δ Δ t = nm 0 υ2 Δ S Δ t.

, ,

pΡ/S Δ t) = nm 0 υ2. (7.12)

V N , υ 1, υ 2,..., υN,

υ c= (7.13)

. (3.1) (3.2)

p= nm 0 υ c 2. (7.14)

(7.14) - .

, n=N/V,

pV= Nm 0 υ c 2,

pV= N = W, (7.15)

W .

m=Nm 0, (7.14)

pV= c 2.

= ( ),

pVm= c 2,

Vm . , - , pVm=RT. ,

RT = c 2

υc = . (7.16)

= N m 0,

m 0 , N , (7.16) ,

υc= = , (7.17)

: k=R/NA . , υc =480 /, 1900 /. 40 160 /.

< w 0> = = = k (7.18)

. , N =0 < w 0>=0, . . 0 , , . , , (7.18) - .






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