Mute
Com.Ciência.Gaia
Essa montagem mostra uma pilha galvânica formada por metais diferentes inseridos na batata, que funciona como eletrólito. A batata contém água e sais dissolvidos, permitindo a mobilidade de íons no seu interior, condição necessária para que ocorra uma reação de oxirredução. Quando eletrodos de metais diferentes, como cobre (Cu) e zinco (Zn), são inseridos na batata, surge uma diferença de potencial elétrico entre eles. O zinco possui maior tendência a perder elétrons, sofrendo oxidação: átomos
Follow
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