1. HBr + 02 НООBr (slow) - (8) 2(g) () 2. HOOBr +HBr (fast) - (8) 2{HOB" + HBr H,O« +Brx} (fast) (8) (8) (8) 2(g) 4HB + O2→2H,0 +2Br, > (g) (8) Consider the above reaction mechanism. The rate-law equation from this reaction would be r = k[HBr]*[O,] r = k[HOB1]² - K[HBr]'[O,]' а. d. = k[HOB1]°[HBr] %3D b. e. impossible to tell from this information %3D с.
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- Which energy levels precede and succeed 4s ?In a study of the gas phase decomposition of sulfuryl chloride at 600 KSO2Cl2(g)SO2(g) + Cl2(g)the concentration of SO2Cl2 was followed as a function of time.It was found that a graph of ln[SO2Cl2] versus time in minutes gave a straight line with a slope of -4.28×10-3 min-1 and a y-intercept of -6.95 . Based on this plot, the reaction is________. (firest, zero, or second) order in SO2Cl2 and the rate constant for the reaction is min-1.I need help with problem 1 For i) The rate = k [BF3]^1 [NH3]^1 ii) t1/2 for [BF3] is : 0.814 sec t1/2 for [NH3] : 0.813 sec iii) I have having problems in setting up equation to obtain the Ea and pre- exponential using the Arrhenius equation
- One of the many remarkable enzymes in the human bodyis carbonic anhydrase, which catalyzes the interconversionof carbon dioxide and water with bicarbonate ionand protons. If it were not for this enzyme, the body couldnot rid itself rapidly enough of the CO2 accumulated bycell metabolism. The enzyme catalyzes the dehydration(release to air) of up to 107 CO2 molecules per second.Which components of this description correspond to theterms enzyme, substrate, and turnover number?For the reaction 2N2O5(g) → 4NO2(g) + O2(g), the following data were collected. t (minutes) [N2O5] (mol/L) 0 1.24 × 10–2 10. 0.92 × 10–2 20. 0.68 × 10–2 30. 0.50 × 10–2 40. 0.37 × 10–2 50. 0.28 × 10–2 70. 0.15 × 10–2 The concentration of O2 at t = 10. min is Question 16 options: A) 0.32 × 10–2 mol/L B) 2.0 × 10–4 mol/L C) 0.64 × 10–2 mol/L D) 0.16 × 10–2 mol/L E) none of theseThe decomposition of SO2Cl2 SO2Cl2(g) --> SO2(g) + Cl2(g)is order 1 with respect to SO2Cl2 and its half-life (t1/2) is 263 minutes at 300oC. Initially, in a 1.0 L container, the partial pressure of SO2Cl2 is 4.00 kPa.a) What will be the partial pressure of SO2Cl2, SO2 and Cl2 after 263 minutes? Answers:P (SO2Cl2): P(SO2): P(Cl2): b) What is the rate constant, k, of this reaction at 300oC?
- Nitric Oxide, NO , reacts with hydrogen to give nitrous oxide, N2O, and water. 2NO(g) +H2(g) → N2O(g) + H2O(g) In a series of experiments, the following initial rates of disappearance of NO were obtained: Expriment Initial Conc. of NO Initial Conc. of H2 Initial Rate Exp. 1 6.4x10-3 M 2.2x10-3 M 2.6x10-5 M/s Exp. 2 12.8x10-3 M 2.2x10-3 M 1.0x10-4 M/s Exp. 3 6.4x10-3 M 4.5x10-3 M 5.1x10-5 M/s What is the value of the rate constant for the reaction? Express your answer to three significant figures. Just enter the number (e.g. 2.48x10^-4) and the unit.Nitric Oxide, NO , reacts with hydrogen to give nitrous oxide, N2O, and water. 2NO(g) +H2(g) → N2O(g) + H2O(g) In a series of experiments, the following initial rates of disappearance of NO were obtained: Expriment Initial Conc. of NO Initial Conc. of H2 Initial Rate Exp. 1 6.4x10-3 M 2.2x10-3 M 2.6x10-5 M/s Exp. 2 12.8x10-3 M 2.2x10-3 M 1.0x10-4 M/s Exp. 3 6.4x10-3 M 4.5x10-3 M 5.1x10-5 M/s What is the rate law for the reaction? Input the answer in the form rate = k[A]2[B]Calcium oxide, an important ingredient in cement, is produced by decomposing calcium carbonate at high temperature: CaCO3(s) → CaO(s) + CO2(g) In one reaction, 3.9 kg of calcium carbonate is heated at 589 °C in a 20.0-L vessel. The pressure of CO2 is 0.18 bar after 6.5 minutes. question 1. What is the average rate of CO2 production in mol/min during the 6.5-minute interval? question 2. How many moles of calcium carbonate consumed in the 6.5-minute interval?
- Calcium oxide (CaO), an important ingredient in cement, is produced by decomposing calcium carbonate (CaCO3) at high temperature: CaCO3(s) → CaO(s) + CO2(g) In one particular reaction, 40 g of CaCO3 is heated at 450°C in a 5.0 L vessel. The pressure of CO2 is 0.12 atm after 7.0 minutes. What is the average rate of CO2 production in moles per minute during the 7 minutes? (Enter in mol/min.) If you assume this rate of decomposition remains constant, how many minutes will it take for the entire sample of CaCO3 to decompose?A flask is charged with 0.110 mol of A and allowed to react to form B according to the following hypothetical gas-phase reaction. A(g) B(g) The following data are collected. times (s) 0 40 80 120 160 moles of A 0.110 0.066 0.042 0.027 0.016 (a) Calculate the number of moles of B at each time in the table.0 s mol40 s mol80 s mol120 s mol160 s mol(b) Calculate the average rate of disappearance of A for each 40 s interval, in units of mol/s.0 - 40 s mol/s40 - 80 s mol/s80 - 120 s mol/s120 - 160 mol/s mol/sFor the reaction shown, find the limiting reactant for each of the initial quantities of reactants. 2K(s)+F2(g)→2KF(s) Part A-1 molKmolK; 1 molF2molF2Express your answer as a chemical formula. Part B-1.8 molKmolK; 1 molF2molF2Express your answer as a chemical formula. Part C-2.2 molKmolK; 1 molF2molF2Express your answer as a chemical formula. Part D-15.0 molKmolK; 8.0 molF2molF2Express your answer as a chemical formula.