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Keling!!! Kimyoni birgalikda Γ³rganamizπŸ”₯
Π”Π°Π²Π°ΠΉΡ‚Π΅!!! Π˜Π·ΡƒΡ‡Π°Π΅ΠΌ вмСстС Π₯имиюπŸ”₯
ustoz: Bunyod Raxmanov
Bog'lanish πŸ”— @ChemOfficer_bot
Bog'lanish πŸ”— @ProChem
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UNIVERSAL KIMYO
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1️⃣9️⃣ 43-topshiriq shundaymidi? β€” kirib chiqqanlarπŸ‘‹
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πŸ‘2
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βŒ¨οΈβ“NAZARIY❌
βŒ¨οΈβ“AMALIY❌

36. Mn3O4+KMnO4+H2SO4= tenglashtiring.....

πŸ“Œ5Mn₃Oβ‚„ + 2KMnOβ‚„ + 24Hβ‚‚SOβ‚„ = 17MnSOβ‚„ + Kβ‚‚SOβ‚„ + 24Hβ‚‚O
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πŸ”’βŽπŸ…°οΈπŸ…°οΈπŸ…°οΈπŸ…°οΈπŸ…°οΈ 2️⃣ Siklogeksanga Na2SO4 qoΚ»shib 150 C gidrogenlaganda qanday modda hosil boΚ»ladi va sistematik nomenklatura boΚ»yicha nomlang.
πŸ‘†buni ham tuzatishga yordam bering
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1️⃣9️⃣ 43-topshiriq shundaymidi? β€” tuzatilgan variantiβœ…
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2️⃣0️⃣ 89,2 g xlorofill yondirilganda gazlangan suvlar tarkibida uchraydigan 242 g gaz, 64,8 g suv, 5,6 g azot va 4 g magniy oksid hosil boβ€˜ldi. Xlorofill formulasini aniqlang.
A) C55H72N4O5Mg
B) C55H72N4O6Mg
C) C54H72N4O5Mg
D) C55H70N4O5Mg
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▢️JONLI TAHLILπŸ“ boshlandi, tezda qo'shilingπŸ”—
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Keling!!! Kimyoni birgalikda Γ³rganamizπŸ”₯
Π”Π°Π²Π°ΠΉΡ‚Π΅!!! Π˜Π·ΡƒΡ‡Π°Π΅ΠΌ вмСстС Π₯имиюπŸ”₯
ustoz: Bunyod Raxmanov
Bog'lanish πŸ”— @ChemOfficer_bot
Bog'lanish πŸ”— @ProChem
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πŸ“Šinternetda uzilish bo'lyapti
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πŸ”₯3❀2πŸ‘1
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1️⃣ 200 g 34% li AgNO₃ eritmasiga 10 g mis plastinka tushirildi. Birmuncha vaqt oβ€˜tgach, plastinka eritmadan chiqarib olindi va hosil boβ€˜lgan eritma toβ€˜liq elektroliz qilindi. Elektroliz jarayoni yakunlangach, katodda 28 g massali metallar aralashmasi hosil boβ€˜ldi.
33. Elektroliz jarayonida ajralgan kislorod massasini (g) aniqlang.
34. Eritmadan chiqarib olingan plastinkada qolgan mis massasini (g) aniqlang.
35. Plastinkaga ajralib chiqqan kumush massasini (g) aniqlang.

Javob: 33) 3,2; 34) 3,6 g; 35) 21,6 g
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πŸ”’βŽπŸ…°οΈπŸ…°οΈπŸ…°οΈπŸ…°οΈπŸ…°οΈ 1️⃣ 200 g 34% li AgNO₃ eritmasiga 10 g mis plastinka tushirildi. Birmuncha vaqt oβ€˜tgach, plastinka eritmadan chiqarib olindi va hosil boβ€˜lgan eritma toβ€˜liq elektroliz qilindi. Elektroliz jarayoni yakunlangach, katodda 28 g massali metallar aralashmasi…
πŸ–₯Eskidan meni taniydiganlar biladi, plastinka yoki elektoliz masalalarini birorta reaksiya yozmasdan yechish mumkinligini bir necha bor ko'rsatib berganman, shu jumladan bu topshiriqqa ham shunday yechim beramanπŸ™‚

πŸ” πŸ” πŸ” πŸ” πŸ” πŸ” 
3️⃣3️⃣
200*0,34/170=0,4 e*mol
m=0,4*8=3,2g
3️⃣4️⃣
(0,4-x)*108+32x=28 x=0,2 e*mol
m=10-(0,2*32)=3,6g
3️⃣5️⃣
m=(0,4-0,2)*108=21,6g
_________________________________
ustoz✍️ Bunyod Raxmanov
kanalπŸ”— @ChemOfficer
kanalπŸ”— @olympic_uz_ru_en
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2️⃣ KBr va kaliy galogeniddan iborat aralashma teng ikki qismga bir qismga Fe(NO3)2 qo'shiladi va bir qismga AgNO3 qoshildi va teng massali cho'kmalar hosil boldi, dastlabki aralashmani mol nisbati topilsin.
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3️⃣ Qaysi moddada H ning massa ulushi eng kichik
-Li2HPO4
-CaOHNO3
-KHCO3
-CsH
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4️⃣ 5 mol CuSO4 saqlagan eritma misdan yasalgan katod va anod (80g dan) 5,36 A tok kuchi bilan elektroliz qilinganda katod massasi anod massasidan 4 marta ortib ketsa, elektroliz qancha soat davom etgan?
A)7,5
B)10
C)12,5
D)15
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