A second-order decomposition reaction run at 550oC has a rate constant of 3.1 102 L/(mols). If

Question:

A second-order decomposition reaction run at 550oC has a rate constant of 3.1 × 102 L/(mol∙s). If the initial concentration of the reactant is 0.10 M, what is the concentration of this reactant after 1.0 × 102 s? What is the half-life of this reaction under these conditions?