3. In a kinetic study of the reaction 2NO) + O2() → 2NO2(g) the following data were obtained for the initial rates of disappearance of NO: Initial Concentrations NO Initial Rate of Reaction of NO O2 Exp. 1 Exp. 2 Exp. 3 0.0125M 0.0253M 0.0281 M/s 0.0250M 0.0253M 0.112M/s 0.0125M 0.0506M 0.0561M/s Write the rate law. What is the value of the rate constant (k)?

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".