
Pilhas
Authored by Euclides Chacon
Chemistry
11th Grade
Used 110+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
um eletrodo corresponde
à solução.
à placa metálica.
ao conjunto placa metálica mergulhada a uma solução.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O potencial de oxidação (Eoxi) de um eletrodo mede sua tendência a
perder elétrons.
ganhar elétrons.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O potencial de redução (Ered) de um eletrodo mede sua tendência a
perder elétrons.
ganhar elétrons.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Em uma pilha o FLUXO de elétrons ocorre do eletrodo que possui
maior Eoxi para o de menor Eoxi.
maior Ered para o de menor Ered.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Durante o funcionamento da pilha formada pelos eletrodos A e B, observamos que a placa metálica de B sofrerá
Dados:
A+ + 1e-→A ΔE = + 0,32V
B+ + 1e-→B ΔE = - 0,23V
0,09 V
0,55 V
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para uma pilha formada pelos eletrodos X e Y a ddp (ΔE) estabelecida é:
Dados:
X+ + 1e-→X ΔE = + 0,50V
Y+ + 1e-→Y ΔE = + 0,42V
0,09 V
0,92 V
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para uma pilha formada pelos eletrodos A e B os elétrons fluem espontaneamente de
Dados:
A+ + 1e-→A ΔE = + 0,32V
B+ + 1e-→B ΔE = - 0,23V
A para B.
B para A.
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