La pile Daniell - PowerPoint PPT Presentation

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La pile Daniell

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Zn=Zn2 2e- Pont salin (Na ;Cl-) Cu. CATHODE. ANODE. V. V. Com. Pont salin ... E = 1,1 V. Force lectromotrice de la pile Daniell. criture symbolique ... – PowerPoint PPT presentation

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Title: La pile Daniell


1
La pile Daniell
I ? 100 ?A
R
Com
mA
A
Réduction Cu22e-Cu
Oxydation ZnZn22e-
Na
Cl-
Pont salin (NaCl-)
e-
e-
Cu
Zn
Cu2
Zn2
CATHODE
ANODE
2
Force électromotrice de la pile Daniell
E 1,1 V
V
Com
V
POLE ?
POLE - ?
Pont salin (NaCl-)
Cathode
Anode
3
Écriture symbolique de la pile Daniell
(-) Zn?Zn2??Cu2?Cu ()
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