1. Define a solution and explain why it is considered a Homogeneous Mixture.

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.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.