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believe.

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Post Posted: 24-10-2010, 12:38:25 | Translate post to: ... (Click for more languages)

Densitatea a unui amestec de douã gaze cu masele molare µ1 si respectiv µ2 corespunde condiþiilor de presiune p si de temperaturã T . Raportul concentraþiilor moleculare este ? (adicã n1/n2)

Nu prea mã aºtept sã o ºtie cineva sã o facã -



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Malpraxxiss

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Post Posted: 24-10-2010, 14:16:50 | Translate post to: ... (Click for more languages)

http://img696.imageshack.us/img696/547/79516764.jpg
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believe.

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(since 28-11-2019 14:27)
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Post Posted: 24-10-2010, 18:07:33 | Translate post to: ... (Click for more languages)

e bine dar tu ai calculat raportul numãrului de moli...mie îmi trebuie raportul concentraþiilor moleculare
http://img203.imageshack.us/img203/3716/imgga.jpg



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Malpraxxiss

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Post Posted: 24-10-2010, 18:43:26 | Translate post to: ... (Click for more languages)

Same shit. Concentratiile moleculare (n) se refera la numarul de moli(niu)/Vol. gazului(V). Cand introduci in ecuatie ti se simplifica Volumul si obtii n1/n2=(roRT-pMiu2)/(pMiu1-roRT), deci varianta D.

Totusi, e ceva gresit in variantele alea, nu e P inaintea complexului RT, ci RO (densitatea)

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believe.

[Freakz believer]



Status: Offline
(since 28-11-2019 14:27)
Joined: 02 Oct 2010
Posts: 1679, Topics: 41
Location: Romania

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Post Posted: 24-10-2010, 19:08:59 | Translate post to: ... (Click for more languages)

daca ai sti cat de mult te iubesc - ... scz ca nu mi'am dat seama, faceam si fiþuici la bio - ...eram in tensiune acuma sa vad daca postezi in seara asta -
Mersii muult -



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