Base your answers to practice questions 41 and 42 on the potential energy diagram below. 180+ Without catalyst With catalyst 41. What is the heat of reaction with the catalyst? 160 140 120 100- 8어 6어 42. Explain, in terms of the function of a catalyst, why the curves on the potential energy diagram for the catalyzed and uncatalyzed reactions are different. 40 20어 Reaction Coordinate Potential Energy (kJ)

Base your answers to practice questions 41 and 42 on the potential energy diagram below. 180+ Without catalyst With catalyst 41. What is the heat of reaction with the catalyst? 160 140 120 100- 8어 6어 42. Explain, in terms of the function of a catalyst, why the curves on the potential energy diagram for the catalyzed and uncatalyzed reactions are different. 40 20어 Reaction Coordinate Potential Energy (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...

See similar textbooks

Similar questions

Nitrous oxide decomposes to nitrogen and oxygen in the following reaction:2N2O(g)2N2(g)+O2(g)Using this concentration versus time plot, answer the following questions. The green curve in the concentration versus time diagram is associated with which chemical in the balanced reaction? The blue curve in the concentration versus time diagram is associated with which chemical in the balanced reaction?
Write the equation for the decomposition of aluminum chlorate. Group of answer choices Al(ClO3)3 → AlCl3 + O2 2AlClO3 → 2AlCl + 3O2 AlClO3 → AlCl + 3O2 AlClO3 → AlCl + O2 2Al(ClO3)3 → 2AlCl3 + 9O2 Al(ClO3)3 → AlCl3 + 9O2
400 300 + energy 200 - (kJ/mol) с +D 100 A + В reaction coordinate Use the energy diagram to answer these questions. I KJ/mol What is the heat of reaction? Exothermic Is the reaction exothermic or endothermic? Endothermic Neither Yes, it's kJ/mol Can you determine the activation energy? No. Can you determine the activation energy of the reverse reaction? Yes, it's kJ/mol С+D- A+B No.
ENDOTHERMIC REACTION EXOTHERMIC REACTION Activation Energy Activation Energy Energy of products Energy of reactants Energy Absorbed Energy released Energy Ireactants Energy of products Direction of reaction Direction of reaction Guide Questions: 1. Based from the diagram given, how does the energy of the reactants compare with the energy of the products? 2. If the energy of the reactant is greater than the energy of the product, will the energy be released or absorbed by the reaction ? Why do you think so? 3. If the condition were reversed (on question number 2) what do you think will happen and why? 7:26 F A ENG 23/04/2 ype here to search
Which of the following is true given the information below? 3 H, (g) + N, (g) → 2NH, (g); AH = -22 kcal/mol A) The reaction is endothermic. B) The product is higher in energy than the reactants. C) Heat is released D) The activation energy for the reaction is negative.
For the reaction between aluminum metal and copper chloride (CuCl2) that we performed together, what is the reason that breaking a single 5 g piece of aluminum into 25 smaller pieces of aluminum (still with a total mass of 5 g ) speeds up the reaction rate.
Energy (kJ) Energy (kJ) Why do catalysts increase reaction rate? Catalyst Effect on Reaction Path Examples. Catalytic Convertors Reactants Products Interpret the following potential energy diagrams (reaction coordinate diagrams) Reaction 1 Reaction 2 450T B. A+B Time Reaction coordinate, A B A + B → C 1. Which reaction is endothermic? 2. What is the activation energy of Reaction 1? 3. What is the AHrxn of reaction 1? 4. What is the activation energy of reaction 2? 5. What is the AHnn of reaction 2? 6. Sketch the effect of a catalyst on both reactions 7. Does a catalyst effect the AHrn?
X 22. Which of the following 0/1 statements are correct? * An increase in temperature makes particles move slower, therefore slowing down a reaction An increase in concentration means there are less particles, which will make the reaction go faster Using smaller pieces of reactants will X increase the surface area making a reaction go slower If there is no catalyst added, the activation energy will be higher meaning the reaction will be slower
Enter your answer in the provided box. For the simple decomposition reaction AB(g)→ A(g) + B(g) rate = k[AB]2 and k = 0.10 L/mol·s. How long will it take for [AB] to reach 1/3 of its initial concentration of 1.50 M? t =_____s
QUESTION 7 Match the part of the rate law with the correct term. 2 NO(g) + Cl2(g) --> 2 NOCI(g) 2. rate 3.0 mol2*s A 3.0 mol2*s A. Y rate constant vorder of reaction with respect to NO vorder of reaction with respect to Cl2 В. 1 C. 2 overall reaction order D. 3 QUESTION 8 2.
Classify each chemical reaction: Reaction FeCl₂(aq) + Na₂S (aq) 2Li (s) + 2HCl(aqg) → 2LiCl (aq) + H₂ (g) FeCl₂ (aq) + Bas (aq) → BaCl₂ (aq) + FeS (s) 2Na Cl (aq) + Fes (s) Туре ✓ choose one combination decomposition single displacement metathesis none of the above V
6. Three different sets of data of [A] versus time are given in the table below for the reaction A → products. Answer the following questions using the information given in the table. Time,s 0 25 50 75 100 125 200 250 [A], M 1.00 0.78 0.61 0.47 0.37 0.22 0.14 0.08 Time,s 0 25 50 75 100 || [A], M 1.00 0.75 0.50 0.25 0.00 c) What is the approximate half-life of the first order reaction? Time,s 0 25 50 75 100 125 200 250 d) What is the approximate initial rate of the second order reaction? ||| [A], M 1.00 0.80 0.67 0.57 0.50 0.40 0.33 0.29 6.3