
Funcionamento de PIlhas II
Authored by Gustavo Gomes
Chemistry
2nd Grade

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a diferença entre pilhas C e pilhas AAA?
Cor
Tamanho
Peso
Preço
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é medido pelo voltímetro na imagem?
Corrente elétrica
Diferença de potencial elétrico
Resistência elétrica
Capacidade elétrica
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são os fatores que afetam a ddp?
Espécies envolvidas, temperatura, concentrações
Cor, tamanho, forma
Peso, altura, largura
Velocidade, tempo, distância
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular ΔE°?
ΔE° = E° redução + E° oxidação
ΔE° = E° redução - E° oxidação
ΔE° = E° oxidação - E° redução
ΔE° = E° redução / E° oxidação
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a concentração padrão para determinar ΔE°?
1 mol/L
2 mol/L
0,5 mol/L
3 mol/L
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a relação entre ΔE° e a corrente elétrica gerada pela pilha?
Quanto maior ΔE°, menor a corrente
Quanto maior ΔE°, maior a corrente
ΔE° não afeta a corrente
ΔE° é igual à corrente
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o símbolo químico para zinco na representação da cela galvânica?
Zn
Cu
Fe
Ag
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