Kimyo fanidan

2-Nazorat ishi.
Nazorat ishi o’tkazilgan sana _________________

Mavzu: Modda miqdori Avogadro qonuni. Gazlar aralashmasi .Ekvivalent Mendeleyev-Klayperon tenglamasi.

Nazorat shakli:Yozma.
I-variant.
1.4,48l xlorning molekulalar sonini toping.
2.Kislorodga nisbatan zichligi 2ga teng bo’lgan gazning havoga nisbatan zichligini toping.
3.3,6gr metal oksidining vodorod bilan qaytarilishi natijasida 0,81gr suv hosil bo’ldi.Metallning ekvivalent massasini hisoblang.
4.Hajmi 20l bo’lgan idishda uglerod (IV)-oksid 22⁰c da va 500kPa bosimda saqlanadi.Uning miqdorini (mol)hisoblab toping.
Kompetentlikni aniqlash uchun materiallar:
5.O’zingiz biladigan gazlardan 2tasini havoga va vodorodga nisbatan zichligini aniqlang.
II-variant.
1.8,96l karbonat angidridning massasini hisoblang.
2.Havoga nisbatan zichligi 1,59ga teng bo’lgan gazning vodorodga nisbatan zichligini hisoblang.
3.0,2gr kislorod va 3,17g galogen bilan bir xil miqdorda birikadi.Galogenning ekvivalent massasini aniqlang.
4.15⁰c va 100,7Pa bosimdagi 4l vodorodning massasini toping.
Kompetentlikni aniqlash uchun materiallar:
5.O’zingiz biladigan gazlardan 2tasini havoga va vodorodga nisbatan zichligini aniqlang.
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