How many aluminum atoms are in 3.86 g of aluminum?

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

How have the greenhouse gasses increased from the year 2000 to 2018

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.