1 ¿Cuál es la masa de un cubo de aluminio si mide de arista 8 cm, si la densidad del aluminio es de 2.7 g/cm 3 ?
2.- Una sustancia tiene una masa de 2848g y ocupa un volumen de 320 cm 3 . ¿Calcula su
densidad e identifica de que sustancia se trata?
3.-¿Qué volumen ocupara una muestra de oro, si tiene una masa de 154.4 g, si la
densidad del oro es de 19.3g/cm 3

Which organic molecule is found in the chromatin of cells?

Which type of fossil does this image depict?

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.