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Sunt utilizari ale trans-poliizoprenului

Submitted by uniprep on Sat, 05/27/2023 - 14:50
  • Read more about Sunt utilizari ale trans-poliizoprenului

Trans poliizoprenul

Submitted by uniprep on Sat, 05/27/2023 - 14:49
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Copolimerul de acetat de etilen vinil este obtinut din urmatoarea cobinatie de monomeri:

Submitted by uniprep on Sat, 05/27/2023 - 14:48
  • Read more about Copolimerul de acetat de etilen vinil este obtinut din urmatoarea cobinatie de monomeri:

Se copolimerizeaza 300 moli de butadiena cu acrilonitril in raport molar de 1:2. Masa de copolimer obtinuta:

Submitted by uniprep on Sat, 05/27/2023 - 14:48
  • Read more about Se copolimerizeaza 300 moli de butadiena cu acrilonitril in raport molar de 1:2. Masa de copolimer obtinuta:

Denumirea alcadienei cu duble legaturi cumulate si care contine 88,88% carbon:

Submitted by uniprep on Sat, 05/27/2023 - 14:47
  • Read more about Denumirea alcadienei cu duble legaturi cumulate si care contine 88,88% carbon:

Se aditioneaza 4 moli de brom la 1,3-butadiena. Determinati masa de 1,4 dibromo-2-butena obtinuta, tinand cont de formarea unui amestec in urma reactiei iar randamentul fiind 100%

Submitted by uniprep on Sat, 05/27/2023 - 14:46
  • Read more about Se aditioneaza 4 moli de brom la 1,3-butadiena. Determinati masa de 1,4 dibromo-2-butena obtinuta, tinand cont de formarea unui amestec in urma reactiei iar randamentul fiind 100%

Determinati formula moleculara a alcadienei cu raportul masic C:H=9:1

Submitted by uniprep on Sat, 05/27/2023 - 14:45
  • Read more about Determinati formula moleculara a alcadienei cu raportul masic C:H=9:1

Cauciucul butadien-acrilonitrilic

Submitted by uniprep on Sat, 05/27/2023 - 14:44
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Prenandezul

Submitted by uniprep on Sat, 05/27/2023 - 14:43
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Ebonita

Submitted by uniprep on Sat, 05/27/2023 - 14:43
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