A reaction is performed to study the oxidation of arsenate ion by cerium(IV) ion in aqueous solution: AsO 3³ +2 Ce4+ + H₂OAsO4³ +2 Ce³+ +2 H* The following reaction rate data was obtained in four separate experiments. Experiment 1 2 3 4 [AsO 33-10, M 3.80×10-2 7.60×10-2 3.80×10-2 7.60×10-2 [Ce+Jo, M 0.590 0.590 1.18 1.18 Initial Rate, Ms-1 6.64x10-3 1.33x10-2 2.66x10-2 5.31-10-2 The reaction is zero order with respect to water a) What is the order with respect to AsO 3³- and Ce4+ b) What is the value of k (include units)

(4a) The following initial rate data are for the reduction of nitric oxide with hydrogen:2 NO + 2 H2N2 + 2 H2O Experiment [NO]o, M [H2]o, M Initial Rate, M s-1 1 0.438 0.289 7.93×10-2 2 0.876 0.289 0.317 3 0.438 0.578 0.159 4 0.876 0.578 0.634 Complete the rate law for this reaction in the box below. Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n. Rate =     From these data, the rate constant is ____________ M-2s-1. (4b) The following initial rate data are for the reaction of ammonium ion with nitrite ion in aqueous solution:NH4+ + NO2- N2 + 2 H2O Experiment [NH4+]o, M [NO2-]o, M Initial Rate, Ms-1 1 0.710 0.152 3.38×10-5 2 0.710 0.303 6.73×10-5 3 1.42 0.152 6.76×10-5 4 1.42 0.303 1.35×10-4 Complete the rate law for this reaction in the box below. Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not…

For the reaction 2 N,O5(2) 4 NO2(2) + O22) , the following data were collected: time (min) [N,O5] (mol/L) 1.24 x 10-2 10 0.92 x 10-2 20 0.68 x 10-2 30 0.50 x 10-2 40 0.37 x 10-2 50 0.28 x 10-2 70 0.15 x 10-2 The order of this reaction in N,Os is The order of this reaction in N,O5 is a. b. 1 C. 2 d. 3. e. 0.5

The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E=52.0 kJ/mol. If the rate constant of this -1 -1 reaction is 1.7 × 10+ M's at 197.0 °C, what will the rate constant be at 168.0 °C? Round your answer to 2 significant digits. k = □M -1 5 ? 0 xno 圖□ □ □