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Question 8 Select the situation involving a heterogeneous catalyst. the decomposition of O3(g) in the presence...
The decomposition of N,is described by the following equation. 2N,O3(2)→ 4NO2(8) + O2(g) If the rate constant is 4.50 x 10-45-1, what is the half-life of this reaction? * 10s (Enter your answer in scientific notation.)
사oposedmechanism for the decomposition ofozone in the stratosphere is Step 2: ClO(8)+0,)Cl(g)+2 0(8 What is the molecularity of step 11? a. zeromolecular b. unimolecular c. bimolecular e. More information is needed. 4. A proposed mechanism for the reduction of nitrogen as NO by hydrogen is: Step 1: H2(2)+2 NOG)-N+H) Step 2: NO(g)+H2(g) → N2(g) + HO(g) What is the rate law for step 1? (slow) (fast) e. More information is needed. c. 서Halz[NO] 5. The mechanism forthe first-order reaction 2HOfag)→2HOO-gin...
The kinetics data was obtained for the heterogeneous (a surface reaction) decomposition reaction: A(g) 2 Blg) and plotted as pA vs. time, InpA vs. time, and 1/pA vs. time. A(g) B(g) 12 3 12 10 2.5 8 0.8 6 1.5 1 0.4 2 0.5 02 0 0 200 600 400 800 1000 200 400 600 800 200 1000 600 400 800 1000 In P(A) Question Completion Status: QUESTION 12 What is the approximate rate constant for the radioactive decay of...
Question 7 A catalyst ) 2 NH3 ( g N2 (9) + 3 H2 ( g The catalyzed decomposition of NH3 (g) at high temperature is represented by the equation above. The rate of disappearance of NH3 (g) was measured over time for two different initial concentrations of NH3 (g) at a constant temperature. The data are plotted in the graph below. Time (s) On the basis of the data in the graph, which of the following best represents the...
Question 8 of 20 Using the equations H2(g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C(s) + 2 F2 (g) → CF. (g) AH° = 141.3 kJ/mol 2 C(s) + 2 H2 (9) C2H4 (9) AH = -97.6 kJ/mol Determine the enthalpy for the reaction C2H4 (g) + 6 F2 (g) → 2 CF4 (9) + 4 HF (g). kJ/mol
Classify each reaction as either a combination, decomposition, single-displacement, double-displacement, or combustion reaction. a.) [Select] 3CO2(g) C3H2(g) + 5O2(g) + 4H2O(1) [ Select) b.) Cus(s) + Na2SO4(aq) CuSO4(aq) + Na2S(aq)
.. T-Mobile 11:40 PM 15%D ? x Question TUNCI CESC TEACTIONS US UICCT COMUNALIUM, decomposition, displacement, acid-base or reduction-oxidation. 0 Hold and drag to reorder Hgo (s) + Cu (s) + CuO (s) + Hg Combination Displacement HBr (aq) + KOH(aq) → KBr (aq) + H20 (1) H2(g) + Se (s) → H2Se (g) = Acid-base Reduction-oxidation TiO2 (s) + F2(g) → TiF2(s) + O2(g) 2 B (s) + 3 Cl2(g) → BCl3(g) = Displacement 4P(s) + 3 O2(g) →...
Question 1 5 pts A 16.1 g sample of hydrogen gas reacts with an excess of oxygen gas in the presence of two catalysts to give an actual yield of 103.9g H202. What is the percent yield for this reaction? Reaction: O2(g) + H2(g) → H2O2(aq) 0 38.2% O 72.3% O 645% O 15.5% O 5.93%
please 6. The decomposition of ozone in the upper atmosphere is catalyzed by NO. The overall reaction and rate law are: O(g) + O(g) 20(8): rate-k[O][NO] Write a possible mechanism that is consistent with rate law and identify an intermediate in the reaction. 7. A possible mechanism for the iodide ion catalyzed decomposition of hydrogen peroxide in aqueous solution is: H:Os(aq) + (aq) → H2O(1) Ol(aq) --- -slow H2O2(aq) + Ol'(aq) → H2O(1) + O2(g) + l'(aq) ------fast What is:...
Question 6 3 pts U Which equation indicates the presence of a catalyst in the reaction? A+B-D4B O A AD OAB+C OA+B-C+D Question 7 3 pts The ionization of benzoic acid is represented by this equation C.H.COOH) H(aq) + C.H.COO"(aa) If 20.045 M solution of benzoic acid has an (H+)-1.7 x 10-2 what is the Kof benzoic acid? 0 77x10-5 22x10-2 O 82104 5.410 Question 8 3 pts - - - - - - CN 13 + H2N = =...