para una practica de laboratorio se requiere una disolucion de acido nitrico HNO3 al 3,5M, pero se dispone de un frasco de 1 litro cuya concentrasion es de 8M, cual es el volumen final que se obtendra al diluir todo el contenido​

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

Summarize possible ways in which phases of matter could combine to form a solution.