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Você sabia que o que está aí na imagem é 1 mol de moléculas? Mas… o que é um mol, afinal? Na Química, usamos o mol para contar partículas muito pequenas, como átomos e moléculas. 1 mol equivale a 6,022 × 10²³ partículas — esse número enorme é chamado de Número de Avogadro. E tem mais: A massa em gramas de 1 mol de uma substância é numericamente igual à massa atômica ou molecular dela. Exemplo: • 1 mol de água tem 18 g e contém 6,022 × 10²³ moléculas. • 1 mol de NaCl tem 58,5 g e contém e
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Moléculas Prebióticas Encontradas no Espaço 🧪🌠 O telescópio ALMA, no Chile, detectou moléculas prebióticas complexas, como etilenoglicol, no disco protoplanetário ao redor da estrela V883 Orionis, conforme estudo no The Astrophysical Journal. 🪐 Essas moléculas são blocos fundamentais para a vida, sugerindo que os ingredientes para a biologia podem se formar no espaço antes mesmo dos planetas. 🌍 Essa descoberta apoia a ideia de que a origem da vida pode ser cósmica, mudando nossa visão sobre
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🚨 DESCOBERTA HISTÓRICA DO JAMES WEBB! 🚨 Pela primeira vez, foram encontradas moléculas orgânicas complexas fora da nossa Via Láctea, em uma protoestrela na Grande Nuvem de Magalhães! O James Webb encontrou moléculas como Acetilaldeído, Etanol, Ácido Acético e Formato de Metila, que são essenciais para a vida como a conhecemos. . . . #sergiosacani #universo #curiosidades
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