Mute
Com.Ciência.Gaia
O detergente de cozinha contém moléculas chamadas surfactantes, substâncias capazes de alterar a interação entre a água e as superfícies. Essas moléculas possuem uma estrutura anfifílica: uma parte é hidrofílica, com afinidade pela água, e outra é hidrofóbica, que evita a água. Quando aplicamos uma fina camada de detergente diluído sobre um espelho, vidro do carro ou viseira de capacete, os surfactantes se organizam na superfície e reduzem a tensão superficial da água. A tensão superficial é re
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