created Is O3 being created or destroyed by the chemical reaction? destroyed neither created nor destroyed If O3 is being created or destroyed, what is the rate at which it is being created or destroyed 1200 seconds after the reaction starts? Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. If O3 is being created or destroyed, what is the average rate at which it is being created or destroyed during the first 1200 seconds of the reaction? Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. Here is a graph of the pressure of ozone (O3) in a reaction vessel during a certain chemical reaction. Use this graph to answer the questions in the table below. atm