August 2021 0 234 Report
Un amestec gazos cu raportul molar etena: acetilena : hidrogen =1:1:4 se trece peste un catalizator de Ni . Determina : masa de etena din amestec dacă la arderea acestuia se consuma 1200 L aer .​
More Questions From This User See All
Answer
Answer
Answer
Answer
Answer
Answer
In 200 g de sulfat de cupru 10% se introduce o bara de Mg , determinati masa de Cu depus.
Answer
O substanta este alcatuita din trei elemente X , Y, T. Numarul atomic al elementului X este de doua ori mai mare decat numarul atomic al elementului Y. Diferenta dintre numerele atomice ale elementelor X si T este 3 . Elementul T formeaza ioni T- , izoelectronici cu 10Ne. Determinati numerele atomice ale elementelor
Answer
De trecut propozitiile la vorbirea indirecta! Va rog! 1) Have you used a computer before? Yes I have 2) Did you inform your manager about your intention to leave ? 3) Hei ! Sarah said : Did you hear the car? What car ? asked Jhoe. The one that has driven us outside 5 ) Mrs. Simon said : Will you put some salts into the soup? 6) I ' ve been talking to the girl in the next bed yesterday we told each other all about our illness and our families.
Answer
Calculati: ( x + 4 )( x - 3 ) - ( x - 1 )( x + 6) = Raspuns : -4x -6
Answer

Helpful Links

Smile Life

Show life that you have a thousand reasons to smile

Get in touch

© Copyright 2024 DOKU.TIPS - All rights reserved.