Suppose you replaced the magnesium in Part B with an equal weight of sodium. How would this substitution affect the enthalpy of the reaction calculated in the experiment? Be specific and justify your answer.

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 happens to the temperature of a substance when the average kinetic energy of its particles increases?