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d = 150 2000 ,
V - 60 3/.
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ℎ ≥ ℎ = V2
K K2 = 0, 02226;
H = (60/3600)2⋅2000/0, 002226= 25 .
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, h = 0,5
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= + gh=750⋅133,32+1000⋅9,81⋅0,5=104905 /2 =104905 =
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0,104905
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t = 25 ,
1 = 8 t1 = 30 ,
2=6 t2 = 20 .
:
m=m1+m2= p1V/RT1+ 2 V/RT2= (1/T1+ 2/T2) V/R/
= mRT/2V= (1/T2+ 2 /T2)T/2= (8/303+6/293) 298/2=6,99
4
1,6 370 . 400 1 . V, . ,
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V2 = V1 = = = 0,115 3/
2 = 1 + = 370 + = 924
2 = 1 = = 2,98