Fizik masala qanday yechiladi?

34. Gazning bosimi 16,6 kPa, zichligi 0,02 kg/m³, molyar massasi 2 g/mol. Gazning tempe­ra­turasi necha Kelvin?
A) 2 B) 200 C) 275 D) 473
35. 5 ta bir xil idish quyidagi gazlar bilan to‘ldirilgan: 1) azot; 2) havo; 3) kislorod; 4) geliy; 5) vodorod. Gazlarning massalari va temperaturalari bir xil. Qaysi gazning bosimi eng katta?
A) 1 B) 2 C) 3 D) 5
36. Temperaturasi 27°C bo‘lgan ballondagi gaz­ning bosimi 40 atm. Ballondagi gazning yarmi chiqarib yuborilganda uning tempera­turasi 12°C gacha pasaydi. Ballonda qaror topgan bosimni toping (atm. larda).
A) 20 B) 19 C) 18 D) 17
37. Gaz temperaturasi 4 marta ortganda haj­mi 4 marta ortsa gaz bosimi necha marta o’z- gargan?
A) o‘zgarmagan B) 2 marta ortgan
C) 2 marta kamaygan D) 4 marta ortgan
38. Ballondagi 8,31 l hajmli 0,1 mol gazning 27°C temperaturadagi bosimini hi­sob­lang (Pa).
A) 210⁵ B) 310⁵ C) 410⁵ D) 310⁴
39. Agar 27°C da 6 m³ gaz bosimi 1 N/sm² bo‘l­­sa, shu gazning hajmi 2 m³, tempera­tu­rasi 47°C bo‘lganda, bosimi qancha bo‘ladi (kPa)?
A) 25 B) 36 C) 20 D) 32
40. Gaz temperaturasi 300 K ga ko‘taril­ganda, bosim va hajm 2 martadan ortgan bo‘lsa, uning oxirgi temperaturasini toping (K).
A) 1200 B) 900 C) 600 D) 400
41. Agar ballondan gaz chiqishi natijasida gazning massasi 1,5 marta, temperatura­si 1,4 marta kamaygan bo‘lsa, bosim necha marta pasaygan bo‘ladi?
A) 1,5 marta B) 1,4 marta
C) 2,1 marta D) 2,9 marta
42. Ideal gaz temperaturasi 300 K ga ko‘ta­ril­ganda, bosim va hajm 2 martadan ortgan bo‘lsa, uning dastlabki tempera­tura­sini toping (K).
A) 75 B) 100 C) 150 D) 250
43. 5 ta bir xil hajmli idishlar quyidagi gazlar bilan to‘ldirilgan: 1) azot, 2) havo, 3) kislorod, 4) geliy, 5) vodorod. Agar gaz­lar­ning massalari va temperaturalari bir xil bo‘lsa, qaysi idishda bosim eng kichik?
A) 1 B) 2 C) 4,5 D) 3
44. 0,8 m³ hajmli gazning 300 K temperatu­ra­­da bosimi 2,810⁵ Pa. Shu gaz 3,210⁵ Pa bo­simda 1,4 m³ hajmni egallasa, uning tem­pe­raturasi qanchagacha o‘zgargan (K)?
A) 330 B) 600 C) 300 D) 150
45. Teng hajmli havo sharlariga teng miq­dorda vodorod, azot va geliy gazlari qamal­di. Qaysi gaz solingan sharning ko‘tarish kuchi eng katta bo‘ladi?
A)azot B)geliy C)vodorod D)bir xil
46. Ikkita bir xil ballonning birida vo­do­rod, ikkinchisida kislorod gazi bor. Gaz­larning massalari va temperaturalari bir xil bo‘lganda, qaysi gazning bosimi katta va necha marta katta bo‘ladi?
A) vodorodniki, 16 marta
B) kislorodniki, 16 marta
C) vodorodniki 8 marta
D) kislorodniki, 8 marta
47. Agar ideal gazning hajmi va harorati 1 marta oshirilsa, uning bosimi necha marta o‘zgaradi?
A) uzgarmaydi B) 4 marta ortadi
C) 4 marta kamayadi D) 16 marta ortadi
48. 8,31 l hajmli ballonda 0,3 kg karbonat angidrid bor. Ballon 310⁶ N/m² bosimgacha chidaydi. Qanday temperaturada portlash xavfi to‘g‘iladi (°C)? M=44 g/mol.
A) 167 B) 440 C) 30 D) 49
49. Ideal gazning mutloq harorati 4 marta, hajmi 2 marta orttirilsa, uning bosimi qanday o‘zgaradi?
A) 2 marta kamayadi B) 2 marta ortadi
C) 4 marta kamayadi D) 4 marta ortadi
50. 0,8 m³ hajmli gazning 300 K temperatu­rada bosimi 2,810⁵ Pa. Shu gazning 1,610⁵ Pa bosim va 0,7 m³ hajmdagi temperatu­rasi­ni (K) aniqang.
A) 300 B) 250 C) 200 D) 150
51. Ballonda 27°C haroratli, 4 MPa bosim ostida siqilgan gaz turibdi. Gazning yarmi chi­qarilganda, temperaturasi 15°C ga pasay­gan bo‘lsa, uning bosimini toping (MPa).
A) 1,9 B) 1.8 C) 2 D) 1,5
52. Bir xil sharoitda O₂ gazining zichligi N₂ gazining zichligidan necha marta farq qilishini toping.
A) teng B) 8/7- marta katta
C) 8/7 marta kichik D) 1,5 marta katta
53. Gazning bosimi 12 marta ortsa, hajmi esa 3 marta kamaysa, uning absolyut tempe­ratu­rasi kanday o‘zgarishini aniqlang.
A) 3 marta kamayadi B) 3 marta ortadi
C) 10 marta ortadi D) 4 marta ortadi
54. Ideal gazning harorati 4 marta ortti­rilib, hajmi 2 marta kamaytirilsa, bosim qanday o‘zgarishini aniqlang.
A) 2 marta kamayadi B) 2 marta ortadi
C) 4 marta ortadi D) 8 marta ortadi
55. V va 3V hajmli ikkita idishda 1 mol va 6 mol gaz bor. Agar idishlardagi bosim bir xil bo‘lsa, ulardagi temperaturalar qanday nisbatda bo‘ladi?
A) T₁=2T₂ B) T₁=T₂ C) T₁=4T₂ D)T₁=6T₂
56. 5 ta bir xil hajmli idishlar quyidagi gazlar bilan to‘ldirilgan: 1) azot, 2) havo, 3) kislorod, 4) geliy, 5) vodorod. Agar gaz­lar­ning massalari va temperaturalari bir xil bo‘lsa, qaysi idishda bosim eng kichik?
A) 1 B) 2 C) 3 D) 4