18. Ideal gazning rasmda ko‘rsatilgan siklni
o‘tishda bajargan ishini toping.
A)(P
1
–P
2
)(V
2
–V
1
) B)P
1
(V
2
–V
1
)
C)P
2
(V
2
–V
1
) D)(P
2
–P
1
)V
2
19. Grafikda tasvirlangan jarayonda ideal gaz
bajargan ishni toping.
A)(P
1
+P
2
)(V
2
–V
1
)/2 B)(P
1
+P
2
)(V
2
–V
1
)
C)(P
2
–P
1
)(V
2
–V
1
) D)P
1
V
1
+P
2
V
2
20. Silindrdagi gazning o‘rtacha bosimi 1 MN/m
2
. Porshenning
yuzasi 200 cm
2
, yurish uzunligi 0,5 m. Porshenning bir marta
yurishida gaz qancha ish bajaradi (kJ)?
A)20 B)4 C)2 D)10
21. Teng massali argon va neon gazlari izobarik 10 K ga qizdirildi.
qaysi gaz ko‘prok ish bajaradi? μ
Ar
=40 g/mol, μ
Ne
=20 g/mol
A)bir xil B)neon
C)argon D)javob dastlabki hajmiga bog‘liq
22. 40 g massaga ega bo‘lgan karbonat angidrid gazi o‘zgarmas
bosimda 44 ºC ga qizdirilsa, gaz qancha ish bajaradi (J).
A)88,2 B)332.4 C)83,1 D)166,2
23. Ideal gaz isitilganda, uning P bosimi o‘zgarmay, dastlabki hajmi
30 % ga oshsa, u qancha ish bajaradi (J)?
A)30PV B)3PV C)0,7PV D)0,3PV
24. Bir xil massali kislorod va vodorod o‘zgarmas bosimda bir xil
temperaturagacha isitiladi. Qaysi gaz ko‘prok ish bajaradi?
A)ishlar bir xil bo‘ladi B)vodorod
C)ish bajarilmaydi D)kislorod
