Uy » Online olimpiada » Kimyo olimpiada » 9-sinf Kimyo olimpiada №4 Kimyo olimpiada 9-sinf Kimyo olimpiada №4 InfoMaster Yanvar 5, 2023 675 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 9-sinf Kimyo olimpiada №4 03.01.2023 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 3 mol A modda 3 mol B modda bilan aralashtirildi. Natijada A + B ↔ C + D muvozanat o‘rnatildi. Agar K = 4 va reaksion aralashma hajmi 1 litr bo‘lsa, muvozanat qaror topganidan keyingi reaksiya unumini (%) aniqlang. 96.70% 68.70% 86.70% 66.70% 2 / 25 Sulfat angidridning parchalanish reaksiyasini to’rt marta orttirish uchun idishning hajmi qanday o’zgarishi lozim. 4 marta kamayishi 4 marta ortishi 2 marta kamayishi 2 marta ortishi 3 / 25 Ammiak gazi parchalandi. Natijada hosil bo’lgan aralashmadagi vodorodning hajmiy ulushi parchalanish unumiga teng bo’lsa, aralashmaning molyar massasini (g/mol) hisoblang. 12 13.6 10 11.33 4 / 25 Eng qutibli bog`: N-Cl Br-Cl I-Cl P-Cl 5 / 25 1,00 gr Mg(NO₃)₂·xH₂O kristallogidrati 550 °С da qizdirildi, natijada 0,217 gr qattiq qoldiq hosil bo`ldi. Kristallogirdatdagi х ni aniqlang. 4 6 2 1 6 / 25 D C B A 7 / 25 A B D C 8 / 25 D A B C 9 / 25 A D B C 10 / 25 A C D B 11 / 25 C D A B 12 / 25 C B D A 13 / 25 C A D B 14 / 25 D A C B 15 / 25 B A C D 16 / 25 C D A B 17 / 25 A D B C 18 / 25 B C A D 19 / 25 A C D B 20 / 25 B D C A 21 / 25 A B D C 22 / 25 C A D B 23 / 25 A B C D 24 / 25 A B C D 25 / 25 A C B D 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
