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c833ccebbb3be7d022096bf72ed4bf0e

Submitted by admin on Tue, 03/09/2021 - 17:51
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Numarul de moli de KMnO4 in mediu de acid sulfuric,respectiv in mediu apos necesari pentru oxidarea a 4 moli de 1,3-pentadiena sunt

56d5a6f1fe806f15a7f67f7083ddba3e

Submitted by admin on Tue, 03/09/2021 - 17:51
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Cresterea aciditatii in seria: acid acetic (1), acid propionic (2), apa(3), hidroxibenzen (4), metanol (5) este:

12d05650852206736a290eaab3b43782

Submitted by admin on Tue, 03/09/2021 - 17:51
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Cantitatea de solutie metanal 40% obtinuta din 40 kmoli metan (c.n) de puritate 90% daca oxidarea a avut loc cu randament de 95%

fe1d381883e9c16b4a5c3190868d8021

Submitted by admin on Tue, 03/09/2021 - 17:51
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Produsul de reactie a acidului alfa-hidroxipentanoic nu prezinta activitate optica daca reactioneaza cu:

cc7b0c56e3a1ca20f1c0c493b933a404

Submitted by admin on Tue, 03/09/2021 - 17:51
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Numarul de grame 80% glucoza care se amesteca cu 300g solutie 20% de glucoza pentru a se obtine o solutie 30% este:

ec42f1bfe1b37c2e71ab5d4a17c25259

Submitted by admin on Tue, 03/09/2021 - 17:51
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Atom de carbon nular se intalneste in:

32dfa5632a3a007963a742047c856273

Submitted by admin on Tue, 03/09/2021 - 17:51
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Un volum de 400 mL solutie 8M se dilueaza cu 1200 mL H2O. Concentratia solutiei finale (0,8g/cm3) va fi:

3072974dd1b7c5db2dc6a3657b1a55ea

Submitted by admin on Tue, 03/09/2021 - 17:51
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Alegeti afirmatia corecta referitoare la tubii drepti:

ec0c30b1453ff1fb4180bc6af438f377

Submitted by admin on Tue, 03/09/2021 - 17:51
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Vasculartia ovarului este asigurata de urmatoarele,cu exceptia:

38865d426792d8847e1f812dd7dfaf8e

Submitted by admin on Tue, 03/09/2021 - 17:51
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Referitor la spermatogeneza urmatoarele celule sunt diploide

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