The following experimental data were obtained in a studyof the reaction 2 HI1g2S H21g2 + I21g2. Predict the concentrationof HI that would give a rate of 1.0 * 10-5 M>sat 650 K.

The rate of reaction refers to the speed at which reactants are converted into products in a chemical reaction. It is typically expressed in terms of concentration change over time, such as moles per liter per second (M/s). Understanding how concentration affects the rate is crucial, as higher concentrations of reactants generally lead to increased reaction rates due to more frequent collisions between molecules.

Temperature plays a significant role in influencing the rate of chemical reactions. As temperature increases, the kinetic energy of molecules also increases, leading to more frequent and energetic collisions. This often results in a higher reaction rate. The Arrhenius equation quantitatively describes this relationship, showing how temperature affects the rate constant of a reaction.

The rate law expresses the relationship between the rate of a chemical reaction and the concentration of its reactants. It is typically formulated as rate = k[A]^m[B]^n, where k is the rate constant, and m and n are the orders of the reaction with respect to reactants A and B. By analyzing experimental data, one can determine the order of the reaction and predict how changes in concentration will affect the reaction rate.