Ordena (de 1 a 5) los pasos siguientes para separar los componentes de una mezcla de sal, limaduras de hierro y arena
a) Decantamos la mezcla sobre un dispositivo de filtrado
b) Añadimos agua a la mezcla y removemos
c) Dejamos evaporar el agua de la disolución para obtener la sal -
d) Separamos las limaduras de hierro de la arena y de la sal con un iman -
e) Dejamos que la arena sedimente -​

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Stage in which a typical star has completely stopped fusion

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.