Determine the EA for the rate-determining step (step 1) for this reactioncoordinate diagram, in kJ.Enter your answer as a whole number.10080PE (KJ) 60402078 kJ20 kJ87 kJл55 kJReaction ProgressCreated by E. Lee for Virtual Virginia (2021)-50 kJ

Determine the EA for the rate-determining step (step 1) for this reaction coordinate diagram, in kJ. Enter your answer as a whole number. 1001 80 PE (KJ) 60 40 20 87 kJ 78 kJ M 55 kJ 20 kJ Reaction Progress Created by E. Lee for Virtual Virginia (2021) 50 kJ

Determine the EA for the rate-determining step (step 1) for this reaction coordinate diagram, in kJ. Enter your answer as a whole number. 1001 80 PE (KJ) 60 40 20 87 kJ 78 kJ M 55 kJ 20 kJ Reaction Progress Created by E. Lee for Virtual Virginia (2021) 50 kJ

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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[Review Topics] [References] Use the References to access important values if needed for this question. A reaction profile (not to scale!) for the reaction C₂H4+ HC1 C₂H5 Cl is shown below: E (KJ) C₂H4 + HCI 70 205 Reaction Coordinate C₂HCI Which of the following are true? (Select all that apply.) OThe magnitude of Ea for the reverse reaction is larger than 205 kJ. Othe energy of the products is lower than the energy of the reactants. OThe value of AE in the presence of a catalyst would be smaller than -70.0 kJ. OAE is positive. OThe value of Ea in the presence of a catalyst would be larger than 205 kJ.
Consider the reaction data. A-products T (K)& (s- 325 0.376 875 0.719 What two points should be plotted to graphically determine the activation energy of this reaction? To avoid rounding errors, use at least three significant figures in all values. yi = X2 = Determine the rise, run, and slope of the line formed by these points. rise: run: slope: What is the activation energy of this reaction? J/mol Ea =
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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/
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er 2 800 705 kJ 600 497 kJ PE (kJ) 400 200 175 kJ 100 Reaction Progress Ceated by E Lee for Virtual Virginia (2021) The reaction coordinate diagram above has an activated complex (AC) with a potential energy (PE) of 705 kJ. Imagine that a catalyst is added, bringing the AC PE down to 578 kJ. What will be the new activation energy, in kJ?
Σ * 00 For a particular reaction at 221.2 °C, AG = -700.77 kJ, and AS = 684.38 J/K. %3D Calculate AG for this reaction at -30.3 °C. %3D = DV 8:13 PM 11/8/2021 F12 PrtScr Insert Delete F8 F10 F11 Backspace 24 B. Alt Ctrl Home it
Sign in Week 15 Recitation Caleb Young Oklahoma - CHEM 1315 (Section 001) - Fall20 - ROCHER > Activities and Due Dates > Week 15 Recitation O Assignment Score: 50% Resources O Hint Check Answer Question 9 of 10 > When methanol, CH, OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is released. For this 2: reason, it is often used as a fuel in high performance racing cars. The combustion of methanol has the balanced, thermochemical equation CH,OH(g) + 0,(g) → CO,(g) + 2H,O(1) AH = –764 kJ How much methanol, in grams, must be burned to produce 629 kJ of heat? 26.33 mass: TOOLS x10 about us careers privacy policy terms of use contact us help 5:14 PM 12/11/2020 50
12:27 12-2 Analyzing Data... NAME Energy (kJ) NAME 1000 Many chemical reactions involve a change in energy. When the energy of the reactants is greater than the energy of the products, the reaction gives off heat and is exothermic. When the energy of the products is greater than that of the reactants, the reaction must absorb energy from the surroundings to occur and is endothermic. If the intermediate stage (the activated complex) is of a higher energy, then the reaction can only take place if the reactants are given an initial energy input (the activation energy). The graph shows energy diagrams that indicate how the energy changes as three reactions occur. Energy Changes for Three Reactions 800 600 Dashboard 400 200 DATE 0 ANALYZING DATA Interpret Energy Diagrams CLASS Direction of reaction 000 000 Calendar DATE .5GE 14 A D Copyright © Savvas Learning Company LLC. All Rights Reserved. Savvas is not responsible for any modifications made by end users to the content posted in its…