What amounts do you compare when determining whether a solution is dilute or concentrated?

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.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

Which of these is an intensive property of a substance