Mute
Prof.RamiltonBatinga
Que gás é esse saindo da ponta do lápis? Pode até parecer que o lápis está "soltando ar", mas o que acontece é um processo chamado eletrólise. Quando a corrente elétrica passa pela água, ela quebra parte das moléculas de água e forma dois gases: hidrogênio e oxigênio. As bolhas que aparecem são justamente esses gases sendo produzidos. A ponta do lápis apenas conduz a corrente elétrica para que isso aconteça. Mas existe um detalhe importante: isso não acontece em água pura. Para a eletrólise oco...
Follow
0
0
0
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