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โค1
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#questionโ
Assalomu aleykum ustoz. Bir savolim bor edi. Nega biz eritma konsentratsiyasini 1%<...>50% suyultirilgan, 50%<...konsentrlangan deymizu ,ammo HCl bunga zid keladi. Shuni tushuntirib bering. Oldindan katta raxmat!
#answerโ๏ธ
Voleykum assalom
Bu 50% chegaralash mutlaqo xatoโ Masalan 60% li H2SO4 kons.gan hisoblanmaydi, 80%โ97% oสปrta kons.li, 98% lidan boshlab kons.li, HNO3 ham 60% dan oshsagina kons.gan holatga o'tadi, HCl esa aksincha 30% โ 38% li eritmalari kons.gan hisoblanadi. Qisqasi kislotalarning suvli eritmalardagi suyl. yoki kons. tushunchasi, kislotaning tabiatiga, eruvchanligiga, barqarorligiga, dissotsilanishiga, reaksion faolligiga, zichlik รถzgarishiga, suyuq&qayn.temp.siga, ..... kabi omillar yordamida farqlanadi.
Izoh: HCl 30%-38% li eritmasida zichlik, qaynash temp., xuddi kons.gan kislotalar kabi yuqori darajaga erishadi. Yana oshirish standart sharoitda imkonsiz, sababi HCl ning eruvchanligi chegaralangan boสปlib, suvning gidratlash kuchi yetmaydi, shu tufayli ortigสปiga eritma muhitidan gaz sifatida ajralib chiqishi boshlaydi.
(ustozโ๏ธ Bunyod Raxmanov)
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Assalomu aleykum ustoz. Bir savolim bor edi. Nega biz eritma konsentratsiyasini 1%<...>50% suyultirilgan, 50%<...konsentrlangan deymizu ,ammo HCl bunga zid keladi. Shuni tushuntirib bering. Oldindan katta raxmat!
#answer
Voleykum assalom
Bu 50% chegaralash mutlaqo xato
Izoh: HCl 30%-38% li eritmasida zichlik, qaynash temp., xuddi kons.gan kislotalar kabi yuqori darajaga erishadi. Yana oshirish standart sharoitda imkonsiz, sababi HCl ning eruvchanligi chegaralangan boสปlib, suvning gidratlash kuchi yetmaydi, shu tufayli ortigสปiga eritma muhitidan gaz sifatida ajralib chiqishi boshlaydi.
(ustoz
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๐ฅ3โค2๐2
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โค3๐2๐ฅ2
Yarim yemirilish davri โ 30 ta test (kaliti bilan).pdf
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โค4๐2๐ฅ2
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tayyorlash va tayyorlanish uchun ortig'i bilan fundamental kuchli nazariy va amaliy ilmlar bazasiga ega. Tarjima asosidagi horij test-masalalari, ya'ni ilmning amaliyot qismi bizga shiddatli kirib keldi. Chuqur fundamental bilim beruvchi nazariy bilimlar esa ortda qolib ketdi. Nazariy asos yetishmovchigi natijasida, ilmiy tarqoqlik va o'z bilganicha tahlil qilish avjiga chiqdi. Lekin ilm-fan aniq qonun-qoidalarga bo'y sunishni va ular asosida tahlil qilishni talab qiladi. Bu dolzarb muammoni yechish uchun UNIVERSAL KIMYO tug'ildi va evolyutsion tarzda rivojlanib bormoqda. Endi qo'rqmang!!! โ UNIVERSAL KIMYO bor ekan, horijdan tarjima qilinayotgan test-masalalar (amaliyot) har doim fundamental ilm (nazariya)dan bir qadam ortda yuradi
O'zbek tilida olimpiadaning oliy kimyoga tegishli nazariyalari (fizik kimyo, analitik kimyo, ...) va ular asosda kelib chiqadigan hisoblash formulalari, amaliy tahlillari endi UNIVERSAL KIMYO kitobiga kiritildi. Olimpiadaga tayyorlamoqchi yoki tayyorlanmoqchi bo'lsangiz, endi horij kitoblarini axtarib yurishga hojat yo'q. Olimpiada masalalarini o'qing va UNIVERSAL KIMYO kitobidagi hisoblash formulalari asosida yeching
Bilasizki keyingi paytda, matematik va geometrik qonun-qoidalar (arifmetik va geometrik progressiya, faktorial hisoblash, logarifm, trigonometriya, geometrik shakllar, ...) kimyoning amaliyotiga, ya'ni test-masalalariga kirib keldi. Endi qo'rqmasdan ularni aniq hisoblash formulalariga qo'yib yecha olasiz
UNIVERSAL KIMYO kitobi sizning eng ishonchli va qadrli do'stingizga aylanadi, ya'ni asl ilm bilan sizni fundamental rivojlantiradi
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Jizzax viloyati, Paxtakor tumani, "SMART" o'quv markazi o'quvchilari UNIVERSAL KIMYO bilan๐
buyurtmachi๐ฆ mazkur o'quv markaz katta repetitori Behro'z Ergashevโ@Ergashev_B1607
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_________
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buyurtmachi๐ฆ mazkur o'quv markaz katta repetitori Behro'z Ergashevโ@Ergashev_B1607
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๐ฅ2
๐๐ก๐๐ฆ๐๐๐๐ข๐๐
๐โจ๏ธ โจ๏ธ โจ๏ธ โจ๏ธ ๐
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โค3๐ฅ2๐1
๐งชoddiy, ammoโ๐ป
SF6 va PCl5 molekulalaridagi atomlar orasida qanday bog'lar mavjud?
SF6 va PCl5 molekulalaridagi atomlar orasida qanday bog'lar mavjud?
Anonymous Quiz
47%
sp3d2โsp3, sp3dโsp3
39%
sp3d2โp, sp3dโp
11%
sp3โsp3, sp3โsp3
4%
sp3โp, sp3โp
๐ซงHYBRIDIZATION โ SF6 & PCl5
๐ก ilm-fan taraqqiyoti rivojlangan sari aniqlik ham ortib boradi. Bir paytlar o'rganganingiz bilan qotib qolmang, qotib qoldingizmi... demak, ilm-fanda ham ortda qoldingiz degani
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โค2