The hand written solution is not allowed.No answer from Chat GPT The rate constant for the following reaction wasdetermined at two different temperatures: BH4 - + NH-4> BH3NH3 + H2 At 26 OC, the rate constant+--was found to be 0.000388 s-1. At 47 oC, the rateconstant was found to be 0.00277 s-1. What is theactivation energy for this reaction? Answer in kJ.Answer to 0 decimal places

Given: T1=26°C;k1=0.000388s−1;T2=47°C;k2=0.00277s−1Ea=???kJStep 1: Write the equation we…

Answered: The rate constant for the following…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter13: Chemical Kinetics

Section: Chapter Questions

Problem 13.67QE

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The following experimental data were obtained for the reaction of \'I14* and NOf in acidic solution. NH/(aq) + NO2-(aq) — N;(g) + 2 H,O(f) INH/I (mol L1) [NO21 (mol L-1, Rate = A[NJ/At (mol L-1 s’) 0.0092 0.098 3.33 X IO"7 0.0092 0.049 1.66 X 10‘7 0.0488 0.196 3.51 X 10"6 0.0249 0.196 1.80 X 10-6 Determine the rate law for this reaction and calculate the rate constant.
A mechanism that has been proposed for the conversion of 2-methylpropene to tert-butyl alcohol in acidic aqueous solution is: step 1 slow: (CH3)2C=CH2 + H* → (CH3)3C* step 2 fast: (CH)3C* + H20 —(CH);CОН + н* (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a reaction intermediate? Enter formula. If none, leave box blank: (3) Complete the rate law for the overall reaction that is consistent with this mechanism. (Use the form k[A]™[B]"... , where 'I' is understood (so don't write it) for m, n etc.) Rate =
If needed for this question. The following mechanism has been proposed for the conversion of tert-butyl bromide to tert-butyl alcohol in aqueous solution: step 1 slow: (CH3)3CBr (CH3);C* + Br step 2 fast: (CH3)3C* + OH" → (CH3);COH (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a reaction intermediate? Enter formula. If none, leave box blank: (3) Complete the rate law for the overall reaction that is consistent with this mechanism. (Use the form k[A]m[B]"... , where 'l' is understood (so don't write it) for m, n etc.) Rate =
(Q80) Using the information provided (and your work from Q79), what is the numerical value of the rate constant for the rate law determined in Q79? CHCI3 (g) + Cl2 (g) --> CCI4 (g) + HCI (g) [CHCI3] (M) [C2] (M) Initial Rate (M/s) 0.010 0.010 0.0035 0.020 0.010 0.0069 0.020 0.020 0.0098 0.040 0.040 0.027
Answer the questiong resending the portialenergy diagram tor the cataliyzed and unectelized reaccion Reactants ->Produsts 320t 235 Eneria(a) 2004 风 I The enegy of the actiated compley in the uncatljzed reaccion SThe valke of the activation energy of Hhe uncatalyzed! reacion Alt of the reaceion R->PCInclude sign J 5/he walve oAhe in versed catalieal EA
A mechanism that has been proposed for the conversion of 2-methylpropene to tert-butyl alcohol in acidic aqueous solution is: step I slow: (Cн),С-CH; + н* — (CH);C* step 2 fast: (CH3)3C* + H2O→ (CH3)3COH + H* (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a reaction intermediate? Enter formula. If none, leave box blank: (3) Complete the rate law for the overall reaction that is consistent with this mechanism. (Use the form k[A]"|B]"... , where 'l' is understood (so don't write it) for m, n etc.) Rate
The reaction of ethyl acetate with sodium hydroxide, CH3 COOC,H; (aq) + NaOH(aq) = CH3COONA(aq) + C2H; OH(aq) is first order in CH3 COOC,H; and first order in NaOH. If the concentration of CH3 COOC2H; was increased by half and the concentration of NaOH was increased by four, by what factor would the reaction rate increase? Express your answer numerically.
3. The following reaction: A' (a) + B (ag + C (an)→ G* (ae) +2 H ) AH = -250 kJ There are two proposed mechanism: Mechanism 1 A' () + B aa) AB' a) + D (a) Step 1 AB" (a) (fast) + E (a) + Hm → G' sae) + H ) + D² (n) Step 2 (slow) Step 3 E (agi+ C (a) (fast) Mechanism 2: Step 1 AB' (a) A' (an) + B (ag) AB' (a) + C ja) (fast) Step 2 + G' (a) + 2 H() (slow) The reactions was determined to have the following rate law: r= k[A'][B] a) Which of the two proposed mechanisms is valid? Explain. b) List any reaction intermediates: catalysts: c) What is a rate determining step? d) If the activation energy for the overall forward reaction is 150 kJ, sketch the potential energy diagram for the above reaction; showing the overall reaction, the reaction mechanism, labelling the AHu, AHy, Eapu, Eag, reaction intermediates, and activated complex. rvs fwd drvs/
5. Iodide is oxidized in acid solution by hydrogen peroxide: H2O2(ag) + 2 H*(ag) + 2 I(ag) → L(ag) + 2 H20(1) A proposed mechanism is: Step 1: Slow Н-О2(ад) + I(ag) — Н-О() + OF(ад) Step 2: Fast H*(ag) + OI (ag)→ HOI(ag) Step 3: Fast HOI(ag) + H*(ag) I2(ag) + H2O(1) a) Show that the three elementary steps add up to give the overall, stoichiometric equation. b) What is the molecularity of each step? c) For this mechanism to be consistent with kinetic data, what must be the experimental rate equation?
6. Calculate the standard free energy changes and the equilibrium constant of the given reaction at 25 °C and determine its spontaneity. Use appendix 3 for the thermodynamic data H₂(g) + I2(g) → 2HI(g)
alfa +O 293 B/s &“ 48 | 2:41 PM In the following energy profile, pathway A represents the (. .) reaction and the reaction is (. . * Transition state pathway A pathway B REACTANTS PRODUCTS Extent of Reaction CATALYZED, ENDOTHERMIC need more info to answer this question UNCATALYZED, EXOTHERMIC CATALYZED, EXOTHERMIC UNCATALYZED, ENDOTHERMIC Energy
A mechanism that has been proposed for the conversion of 2-methylpropene to tert-butyl alcohol in acidic aqueous solution is: step 1 slow: (CH),С-СH,+ н* — (CH);с* step 2 fast: (CH;)3C* + H,O → (CH3);COH + H* (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. + + (2) Which species acts as a catalyst? Enter formula. If none, leave box blank: (3) Which species acts as a reaction intermediate? Enter formula. If none, leave box blank: (4) Complete the rate law for the overall reaction that is consistent with this mechanism. (Use the form k[A]m[B]"... , where 'l' is understood (so don't write it) for m, n etc.) Rate =

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