molekulalarning qutiblanishi
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powerpoint presentation molekulalarning qutiblanishi sevara 1. polyar va nopolyar molekulalar 2. dipol moment va elektr manfiyligi 3. molekulalarning polyarlanishiga kirish reja: molekulalarning qutblanishiga kirish molekulalarning qutblanishi elektronegativlik farqi 0,4 dan katta bo'lgan atomlar orasidagi bog'lanishda yuz beradi va bu qisman musbat va qisman manfiy zaryadlar hosil qiladi. simmetrik molekulalar, masalan, co₂, qutblanmagan bo'lishi mumkin, garchi ular qutb bog'lanishlariga ega bo'lsalar ham, chunki dipol momentlari bir-birini qoplashadi. dipol momenti, debay (d) birligida o'lchanadi va molekulalarning qutblanish darajasini ifodalaydi; 1 d ≈ 3,336 × 10⁻³⁰ cm. qutblanishning ta'siri qutblanish natijasida dielektrik o'tkazuvchanlik koeffitsiyenti o'zgaradi, masalan, suv uchun ...
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