الصوت الساكن
Com.Ciência.Gaia
Neste experimento vemos a eletrólise da água, um processo químico em que a energia elétrica força uma reação que não ocorreria espontaneamente. A água pura praticamente não conduz corrente elétrica, porque quase não possui íons livres. Por isso, é necessário adicionar um eletrólito, isto é, uma substância que se dissocie em íons em solução aquosa e permita a passagem de corrente. Entre os sais e bases de uso cotidiano que podem ser utilizados estão o sulfato de sódio (Na₂SO₄), encontrado em alg
تابع
46
1
18
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