2. Energy diagrams for two reactions are shown below.Reaction AReaction B70406020504030-20-20401060-Reaction CoordinateReaction CoordinateWhich reaction happens faster? Justify your choice with data from the graphs.3. For the reaction NO,(g) + CO(9) → NO(g) + CO,(g) the activation energy is 125 kJ/mol and the AH forthe reaction is -216 kJ/mol. What is the activation energy for the reverse reaction?4. For a certain process the activation energy is greater for the forward reaction than for the reversereaction. Does the reaction have a positive or negative value for AH?5. Write the rate laws for each elementary reaction.a) O; + NO → 0, + NO,b) 2CIO, + 20H- → CIO,- + CIO,-c) Cl2 → 2CI-6. Which reaction in #5 is least likely to occur in a single step? Explain.(jow/r) KSaua

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2. Energy diagrams for two reactions are shown below. Reaction A Reaction B 70 40 60 20 50 40 30 -20- 20 -40 10 -60- Reaction Coordinate Reaction Coordinate Which reaction happens faster? Justify your choice with data from the graphs. (jow/r) KSsaug

2. Energy diagrams for two reactions are shown below. Reaction A Reaction B 70 40 60 20 50 40 30 -20- 20 -40 10 -60- Reaction Coordinate Reaction Coordinate Which reaction happens faster? Justify your choice with data from the graphs. (jow/r) KSsaug

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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O Macmillan Learning Energy diagrams for two reactions are shown. Energy (kJ/mol) 150 100- 50- What is the heat of reaction for Reaction A? AHrxn A = 100 Incorrect Reaction progress Reaction A What is the activation energy for Reaction A? FEB 21 tv MacBook Pro kJ mol Energy (kJ/mol) 150 100- 50- What is the heat of reaction for Reaction B? AH rxn B = 25 Reaction progress Reaction B What is the activation energy for Reaction B? NA kJ mol S
Which one of these reactions is the easiest to start? 1, 2, 3, or 4?
For the reaction: 4NH3 (g) + 7O2 (g) → 4NO2 (g) + 6H2 (g), if H2 is produced at a rate of 3.5 x 10-3 M/s, O2 is consumed at a rate of... A. -2.5 x 10-2 M/s B. -4.1 x 10-3 M/s C. -2.1 x 10-2 M/s D. -3.0 x 10-3 M/s E. -5.8 x 10-4 M/s
For the reaction N2 (g) + O2 (g) 2NO(g) classify each of the following actions by whether it causes a leftward shift, a rightward shift, or no shift in the direction of the reaction. Drag the appropriate items to their respective bins. • View Available Hint(s) Reset Help double halve [nitrogen] halve [oxygen] double [nitrogen] [nitrogen monoxide] halve double [oxygen] [nitrogen monoxide] Leftward shift Rightward shift No shift
O 11. The decomposition of ozone in the upper atmosphere to dioxygen occurs by a two-step mechanism. The first step is a fast reversible step and the second is a slow reaction between an oxygen atom and an ozone molecule: Step 1: Step 2: O3(g) = 02(8) + O(g) O3(g) + 0(g) → 202(g) Fast, reversible, reaction Slow a. Which is the rate determining step? b. Write the rate equation for the rate-determining step. Write the rate equation for the overall reaction. с. The rate equation for the reaction of nitrogen dioxide and carbon monoxide in the gas state to form carbon dioxide and nitric oxide is represented by the equation: 12. NO2(g) + CO(g) → NO(g) + CO2(g) The following data were collected at 125°C:e Experiment 1 Experiment 2 Experiment 3 Initial [NO2] mol L 5.0 x 104 5.0 x 104 1.5 x 10-3 Initial [CO] mol L- 1.6 x 10-2 3.2 x 102 3.2 x 10-2 Initial rate mol L'min 1.7 x 10-7 1.7 x 10-7 1.5 x 10-6 What is the order with respect to NO2? b. What is the order with respect to CO? c. What is the…
A+BC<>AB+C WHERE A IS EQUAL TO 50, BC IS EQUAL TO 50, AB IS EQUAL TO 0 AND C IS EQUAL TO 0 What will probablyimmediately happen? 1-AB WILL FORM 2-BC WILL FORM 3- NO REACTION
Consider the Energy diagram below. What does the variable "E" indicate? TS 2 E TS 1 e r g y U Reaction Progress energy of activation S -----> T energy of activation U -----> S free energy change U -----> S free energy change S ----> T
Write the overall reaction identify reactants, products, catalyst and reaction intermediate
From the reaction energy diagram shown here, match the features on the diagram with their definitions. E A X Y wm C B ◄ A reactants products intermediates transition states A Reaction Coordinate A. X, Y, Z B. C, D C. A D. D E. A, D F. A, B G.B H.C 1. B, C N D
tter What solid was formed: Copper (II) ions (from CuSO4) react with solid Appearance of copper sulfate: Appearance of zinc: Appearance after 10 min: Appearance after 20 min: Balanced reaction: Type of reaction: 0 min Lab 5 pg. 3 Zinc metal Cu²+ (aq) + Zn () About 10-20 mL of copper sulfate solution are added to two beakers. Note the appearance of the solution. Zinc is added to one beaker (the other is reference control). Note the appearance after 10 and 20 minutes in comparison to 0 min. (reference control). 10 min CuSO4 (aq) + 20 min Zn (s) → Ed: January 2032 ZnSO4 (aq) + Cu (s) In general, salts are soluble in water. In some cases, the forces that hold the salt together are too strong for the water molecules to pull apart. These are called insoluble salts. You can tell if you have an insoluble salt by the formation of a precipitate when combining solutions of soluble salts, or a gas is evolved (observed as gas bubbles, or a foam). For the following reactions, the indicated solutions…
H A (d) 2 SO3(g) 2 SO₂(g) + O₂(g) What is the reaction quotient? W Chapter... What direction will the reaction shift to? To the left, i.e. the reactant-side. O To the right, i.e. the product-side. It will not shift. (e) 2 NO(g) + Cl₂(g) = 2 NOCI(g) What is the reaction quotient? (f) N₂(g) + O₂(g) = 2 NO(g) G N. 64 P₁ (SO3) = 0.110 atm, P (SO₂) = 1.05 atm, P;(O₂) = 1.30 atm, Kp = 6.1 atm What is the reaction quotient? What direction will the reaction shift to? To the left, i.e. the reactant-side. To the right, i.e. the product-side. It will not shift. P₁(NO) = 1.35 atm, P. (Cl₂)= 1.35 atm, P (NOCI) = 0 atm, K * [N₂] = 0.125 M, [0₂]; = 0.250 M, [NO]; = 1.25 M, K = 0.049 What direction will the reaction shift to? To the left, i.e. the reactant-side. To the right, i.e. the product-side. It will not shift. ILI = 2.4x10³ C G a
Reactions generally either release or absorb heat when they occur. Based on your temperature observations, is the equilibrium reaction 1 exothermic (heat producing) of endothermic (heat consuming)? Hint: consider what happens if you treat “heat” as a chemical species that is either a reactant or a product (USING THE TABLE).