Pls help i'll mark you the brainlest What force is needed to make ball fall on Earth if it has a mass of 13kg

The electromagnetic force acts between what

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.

Tell me the iupac name of the following compounds: