, N =nst. .3. N/3 ( ). N . N ( ).
() m .2 mu,
m - (- m )=2 m
, 2l ( ), .
( ) , , .. 2mu =f , f , ; - , , .
, f = / = ۰ /2l= 2/l,
.3 : F=Nf/3=N 2/3l.
, , , l2, : P = F/S = N 2/3l.۰l2 = N 2/3l3
l3 , : PV = 1/3 N 2 (1.3)
- . :
) ;
) , :
PV = 2/3 N = 2/3NE (1.3)
E.
PV=RT ( ) RT = 2/3NaE E = T۰const,
const .
) :
PV=RT, RT=1/3 N 2, =
Nam , : =
= (1.4)
,
14. ( , , , ). -: . : 2 1 2 . : , , .: 1. . 2. (273 1,033∙105 ) 22.4 . -: . V = kT, k
|
|
, V=
: .
= kT, k
, =
- : , .( , ) P1V1=P2V2=P3V3=k V = const