Express the rate of the reaction in terms of the change in concentration of each of the reactants and products. express the rate of the reaction in terms of the change in concentration of each of the reactants and products. rate=12δ[n2o]δt=−12δ[n2]δt=δ[o2]δt rate=δ[n2o]δt=12δ[n2]δt=−12δ[o2]δt rate=−δ[n2o]δt=−12δ[n2]δt=12δ[o2]δt rate=−12δ[n2o]δt=12δ[n2]δt=δ[o2]δt