What is the total number of pairs of electrons shared in a molecule of n2

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?