Date post: | 05-Aug-2015 |
Category: |
Education |
Upload: | gilzinho-gadelha |
View: | 83 times |
Download: | 1 times |
S.R.R ( e-‐ ): Cu+2(aq) + 2 e-‐ Cu(s)
S.R.Oxi ( e-‐): Zn(s) Zn+2(aq) + 2 e-‐ Eq. global: Cu+2(aq) + Zn(s) Cu(s) + Zn+2(aq)
d.d.p = Eoxi (ânodo) + Ered (cátodo)
d.d.p = Eoxi (Zn) + Ered (Cu) d.d.p = + 0,76 v + 0,34 v
D o n a P o r c a e- O
todo x i d a ç ã o
e d u ç ã o
e g a t i v o
o s i t i v o
i m i n u i
u m e n t a
Cr(s) / Cr+3(aq)
Ag+1(aq) / Ag(s)