How many grams of potassium benzoate are needed to prepare 1.12L of a .250 M solution of potassium benzoate

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

What is the solubility of substance?

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.