A 300 ml de una solución acuosa 0,5 M de Ca(OH)2 (74 g/mol) y densidad 1,08 g/ml se le agregan 100 g de agua. Indicar su nueva concentración en %m/m.

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.