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Chimie

 
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Nirvana

[The chosen One :X]



Status: Offline
(since 07-08-2014 17:59)
Joined: 16 Jan 2012
Posts: 565, Topics: 65
Location: Konoha village

Reputation: 41.6
Votes: 5

Post Posted: 08-01-2014, 01:41:16 | Translate post to: ... (Click for more languages)

Bun pentru ca nu mai am timp sa-mi fac temele la chimie..si nu mai tin minte metodele o sa va rog pe voi sa ma ajutati
3reputatie/problema
1.Calculati volumul de H(hidrogen) ce se degaja prin reactia totala a sodiului cu 5kg acetilena de puritate 85%.
2.Ce cantitate de polimer se obtine daca reactioneaza 100kg etena cu HCl in conditii de reactii totale.
3.Calcucalti cantitatea de alcool obtinuta prin aditia apei la 15kg propena daca se lucreaza cu un randament de 90%.
4.Ce cantitate de produs principal se obtine prin reactia benzenului 25kg sol HCl de concentratie 36,5% stiind ca aditia este totala.

Faceti problemele care le stiti. MS
P.s: Posturile de pe 08.01.2014 dupa ora 19:00. pe 09 am Chimie..

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Nirvana

[The chosen One :X]



Status: Offline
(since 07-08-2014 17:59)
Joined: 16 Jan 2012
Posts: 565, Topics: 65
Location: Konoha village

Reputation: 41.6
Votes: 5

Post Posted: 09-01-2014, 22:53:19 | Translate post to: ... (Click for more languages)

T/C. Nu i-mi mai trebuie.
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