Izotermiyali’q processte ideal gazg’a berilgen ji’lli’li’q jumi’sti’
wori’nlawg’a jumsaladi’.
Izotermiyali’q processte gaz ji’lli’li’q ali’p ati’rg’an (Q > 0) bolsa, gaz
∆V ko’lemge keneyedi ha’m unamli’ (won’) jumi’s (A > 0) wori’nlaydi’.
21-a, su’wrettegi diagrammada wori’nlang’an jumi’s hawa ren’ine
boyalg’an betine ten’ boladi’.
Yeger gaz si’rtqi’ wortali’qqa ji’lli’li’q berip
ati’rg’an (Q < 0) bolsa, gaz unamsi’z (teris) jumi’s
(A < 0) wori’nlap ati’rg’an boladi’ Bunda si’rtqi’ sis-
tema gaz u’stinde jumi’s wori’nlap ati’rg’an boladi’.
Wori’nlang’an jumi’sti’n shamasi’ diagrammada
ko’rsetilgen betke ten’ (21-b, su’wret).
2. Izobarali’q process (p
= const). Turaqli’
basi’m jag’dayi’nda gazg’a ji’lli’li’q berilip ati’rg’an
bolsa, wori’nlang’an jumi’s A
= p∆V boladi’. Won-
day jag’dayda termodinamikani’n’ birinshi ni’zami’
to’mendegishe ko’rsetiledi:
Q = ∆U + p∆V. (3)
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