Which of the following is the best description of the results of a chemical reaction?A new substance with different properties is formed. The substance seems to disappear after dissolving in water. The substance changes from liquid to solid at a low temperature. The reaction can be reversed to get back the original substance.

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.