Which property of a sample of mercury is different at 320K than at 300 K? 1. atomic mass 2. atomic radius 3. vapor pressure 4. melting point

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

C3h8o3 - glycerol major species present when dissolved in water

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.