Which of the following expressions describes the rate of reaction for the elementary unimolecular process: O3 → 02 + O?...
Which of the following represents a unimolecular elementary step in a reaction mechanism? A) O + O3(g) → 2 O2(g) B) 2 O3(g) → 3 O2(g) C) O3(g) → O2(g) + O D) O2(g) + O → O3(g) E) O + O → O2(g)
A. Oz 28. Which of the following elementary reactions is unimolecular? sunlight → 02 +0 B. O2 + NO NO2 + O2 C. NO2 +O —— NO + O2
Which of the following rate expressions describes a reaction having the same rate order as a reaction with the rate expression k[A] 2 k[A][B] k2[A]2 (k[A])2 k2[A]
If molecular oxygen is reacting at a rate of 0.024 M/s in the following reaction; 4 NO2(g) + O2(g) → 2 N205(8) at what rate is N2O5 being formed? O 0.048 M/s 0.096 M/S 0.024 M/s 0.012 M/s The rate law for the reaction 2 NO, +O3 -- N2O5 + O, is rate - k[NO][03]. Which one of the following mechanisms is consistent with this rate law? NO2 + NO2-N202 + O2 (slow) N2O2 +O3-N20s (fast) NO2+O3 -NO3 + O2...
Gaseous ozone undergoes decomposition according to the stochiometric equation: 203(g) →302 (g) Two alternative mechanisms have been proposed to account for this reaction. Mechanism 2 03 302 bimolecular, rate constant k Mechanism II 03 02 + fast equilibrium, equilibrium constant K1 0+ 03 — 202 slow, rate constant k2 A. Derive rate laws for the formation of O2 for each mechanism. B. Thermodynamic measurements give standard enthalpies of formation for each of the following species at 298 K: species AH°...
Which relationship or statement best describes AS for the following reaction? O3(g) + NO(g) + O2(g) + NO2(g) More information is needed to make a reasonable prediction. Ο ΔS = ΔΗ/T AS°=0 O AS'>0 O 45° < 0 W
For the first five questions, consider the following unimolecular dissociation reaction, which occurs in a single elementary step: C4H8 → 2 C2H4. The rate expression for this reaction is Rate = [C4H8]^x * Ae^(−Ea/RT). 1a) What term in this rate expression expresses the relative collision rate (related to the probability that a collision occurs)? A. Ea B. A C. [C4H8] x D. RT E. e −Ea/RT 1. 1b) What is the reaction order with respect to cyclobutane (C4H8), the value...
D Question 18 1 pts Which of the following statements best describes the reaction shown as all four substances are mixed in a sealed container at an initial concentration of 0.10 M. CO(g) + H2O(g) + CO2(g) + H2(g) K-0.6944 The reaction will proceed toward products and favors products at equilibrium. The reaction will proceed toward products and favors reactants at equilibrium The reaction will proceed towards reactants and favors products at equilibrium. The reaction will proceed towards reactants and...
2. Kinetics of an Oscillating Reaction Oscillating reactions are a special kind of chemical reactions and are characterized by an elementary reaction in which at least one of the reactant is also a product. An example of a series of elementary reactions of an oscilating reaction is below: ka (a) Identify the autocatalytic reacton i.e, a reaction in which the products and reactants share atleast one common ingredient) (b) Identify the reactants, intermediates, and products for the overall reaction described...
Suppose the reaction between nitric oxide and oxygen proceeds by the following mechanism: rate constant elementary reaction step NO(g)+ 02(g) NO2(9) 0(g) 1 NO(g) O(g) NO2(9) k2 2 Suppose also k,»k,. That is, the first step is much faster than the second. 2* Write the balanced chemical equation for the overall chemical reaction: Write the experimentally observable rate law for the overall chemical reaction rate k Note: your answer should not contain the concentrations of any intermediates. Express the rate...