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Chemistry, 21.06.2019 17:30
Supongamos que estás estudiando dos estrellas. ambas estrellas tienen la misma magnitud aparente, pero la estrella a tiene una magnitud absoluta mayor que la estrella b. ¿que puedes decir acerca de la distancia a la tierra de estas dos estrellas?
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Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as
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Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
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16 g of ch4 react with 64 g of o2 producing 44 g of co2 how many grams of water are produced?...
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