If you change the solute amount but keep the solution volume the same what happens to the molarity

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.

How might this scientific phenomena be explained? a paper clip floats on water.

What atom has the largest atomic radius