How can you build an electromagnet?

How can you use chemical equations to predict the products of the reaction you can carry out?

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 many moles of oxygen gas are produced from the decomposition of six moles of potassium