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Résumé Analyser un système par des méthodes chimiques

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Fiches de révisions Bac terminale spécialité Physique Chimie Analyser un système par des méthodes chimiques

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Institution
Secondary school
Study
Lycée
Module
School year
1

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Uploaded on
March 24, 2022
Number of pages
2
Written in
2021/2022
Type
Summary

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Chapitre 2 : Analyser un système par des méthodes
chimiques

Nomenclature

Acide
Fonction Alcool A. ldéhyde Cétone
carboxylique
Méthode
1C - méth 6C 0
"
°

«= @ th IC : Groupe
caractéristique
- O -
H -




% c- c -
C
,


JE 8C
prop
:

Hydroxyle Carbonyle Carbonyle Carboxyle
4C - but 9C :




5C = / C- Fonction Alcène Ester Amine Amide

1) Repérer la chaîne O

carbonée principale À % N ! C
-




Groupe -
-




2) la numéroté (bon sens) caractéristique
-
c

3) Nommer la molécule Alcène Ester Amine Amide




la d' méthode d' analyse chimique
spectroscopie absorption est une non

destructive ( n' altère
pas la matière à analyser / qui permet de déterminé tatami / le

organique de la molécule .




Spectre d'absorption → ordonnés -_ transmittance Ten %
abscisses __ nombre d'onde • ( sigma)




éthanal éthanol

liaison [ = ( carbonyle) O -

H
Nombre d'onde
( Cma )
1f50 -1740 5200-9700


titrage
Un dosage de déterminer la concentration d' une espèce chimique dissoute
permet
en solution Un dosage titrage met enjeu une réaction chimique
.


par


LA RÉACTION DE TITRAGE DOIT ÊTRE UNQIUE, RAPIDE, ET TOTALE.
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