Kremniy va uglerodga natriy gidroksidning 200 gr 20% li eritmasi bilan reaksiyaga kirishdi. Erimagan qoldiq konsentrlangan H2SO4 bn reaksiyaga kirishdi. Ikkala jarayonda ham bir xil hajm gaz ajraldi. Dastlabki metalmaslarni umumiy massasini aniqlang.
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nS. 8
———=-----
nO. 19
Bo'lgan oltingugurt di- va trioksidi mavjud. Ushbu aralashma KMnO4 ning 150g 31.6% li eritmasi bilan reaksiyaga kirishdi. (dioksid to'liq oksidlangan).
A) eritmadagi hosil bo'lgan jami sulfat ionini molini aniqlang
B) dastlabki aralashma massasini aniqlang.
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———=-----
nO. 19
Bo'lgan oltingugurt di- va trioksidi mavjud. Ushbu aralashma KMnO4 ning 150g 31.6% li eritmasi bilan reaksiyaga kirishdi. (dioksid to'liq oksidlangan).
A) eritmadagi hosil bo'lgan jami sulfat ionini molini aniqlang
B) dastlabki aralashma massasini aniqlang.
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2:1 mol nisbat olingan KMnO4 va MnO2 aralashmasiga mol miqdordagi HCl eritmasi ta'sir ettirildi. Natijada 30,6NA ta elektron tutgan gaz ajraldi.
A) hosil bo‘lgan Mn li tuz massasi
B) dastlabki MnO2 massasini
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A) hosil bo‘lgan Mn li tuz massasi
B) dastlabki MnO2 massasini
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X g formaldigid Ca(OH)2 bilan qizdirilganda reaksiyadan olingan mahsulot kumush ko'zgu reaksiyasiga kirishib Y g metall hosil bo'ldi. Dastlabki X g formaldegid mis ko'zguga kirishganda 432g qizil cho'kma hosil bo'ladi. Y ni toping?
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Hurmatli ustozlar, aziz o'quvchilar va ayniqsa yoshbolali hamda qaynona-qaynota xizmatidagi qadrli ayollar!!! Yoz davomida ta'tilni yanada maroqli va foydali o'tkazishni, keyingi o'quv yiligacha ilmiy salohiyat va mantiqiy fikrlash qobiliyatingizni oshirishni va eng asosiysi yozning issiq chillasida uydan chiqmasdan oilangiz bag'rida bo'lgan holda o'z ustingizda qat'iy ishlash rejangizda bormi
...to'liq uch oylik kurs davomida siz 50% chegirma narxda qanday bilimlarni o'zlashtirasiz va bazalarni qo'lga kiritasiz:
1️⃣ Zamonaviy animatsion shaklda mavzuma mavzu batartib ijod qilingan to'liq va tugal videodarslar:
2️⃣ Olingan nazariy bilimlardan foydalangan holda amaliy qo'llay olish uchun test-topshiriqlar bazasi:
3️⃣ Test-topshiriqlar bazalarini tahlil qilishda to'g'ri mantiqiy algoritm tuza olish, nazariy bilimlarni qo'llay olish va vaqtdan unumli foydalangan holda to'liq yechim tahlillari:
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🔥5❤3👏1
🧠miyani_charxlaymiz⚔
4A+5B=4C+6D Km¹=256 Agar koeff.lar 1, 1.25, 1, 1.5 mol shaklida olinsa, yangi Km²–? ustoz👨🏻🏫 Bunyod Raxmanov qabul👨🏻💻online_dars_qabul qabul👩🏻💻qabul_online_dars kanal📣 @ChemOfficer
4A+5B=4C+6D Km¹=256 Agar koeff.lar 1, 1.25, 1, 1.5 mol shaklida olinsa, yangi Km²–? ustoz👨🏻🏫 Bunyod Raxmanov qabul👨🏻💻online_dars_qabul qabul👩🏻💻qabul_online_dars kanal📣 @ChemOfficer
Anonymous Poll
25%
4
38%
8
29%
16
8%
64
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yechim: koeffitsiyentlar 4 marta qisqardi degani, Km¹ qiymati kvartet (4) ildiz ostiga olinadi degani, ya'ni ilmiy tilda aytganda zarrachalar to'qnashuvi kvartet darajada ulushi kamaydi degani, demak:
Km²=⁴_/Km¹=⁴_/256=4✔️
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Km²=⁴_/Km¹=⁴_/256=4
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🔥6
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✔️ javobingizni tahlil guruhida bildiring
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𝐂𝐡𝐞𝐦𝐎𝐟𝐟𝐢𝐜𝐞
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