Article last reviewed: 2017 | St. Rosemary Institution © 2010-2018 | Creative Commons 4.0

Ozone: Overview & Facts

Triatomic oxygen, O3, is most commonly known as ozone. It has a resonance structure, and can be drawn in two different ways: O=O-                                      O-O=O It is a bluish, explosive gas at room temperature, and has a boiling point of -119°C. It has a melting point of -193°C, and is a blue liquid. It’s critical temperature…

Freezing Point of Naphthalene Lab Answers

I.    Purpose To determine the freezing  point of a known substance, naphthalene II.   Materials ringstand                     gas source test tube                     test tube clamps thermometer                   naphthalene Bunsen burner                       goggles hose                          stopwatch III.  Procedure 1.    Assemble the Bunsen burner, attaching one end of the hose to the burner and the other to a gas source. 2.    Assemble the…