Use the energy diagram for the reaction A D to answer Im the questions. How many transition states are there in the reaction? transition states: How many intermediates are there in the reaction? D Reaction progress intermediates: Which step of the reaction is the fastest? Which step of the reaction has the smallest rate constant? Assume the frequency factor (A) is the same for for each elementary reaction. Is the overall reaction exothermic or endothermic? O exothermic O cannot determine from the diagram O endothermic Potential energy

Use the energy diagram for the reaction A D to answer Im the questions. How many transition states are there in the reaction? transition states: How many intermediates are there in the reaction? D Reaction progress intermediates: Which step of the reaction is the fastest? Which step of the reaction has the smallest rate constant? Assume the frequency factor (A) is the same for for each elementary reaction. Is the overall reaction exothermic or endothermic? O exothermic O cannot determine from the diagram O endothermic Potential energy

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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⦁ 4. Make your own energy diagram for an exothermic reaction that does not include a catalyst and one with a catalyst (Be sure each line is a different color or labeled). Label the axis of the diagram. Then, state what a catalyst is and how a catalyst affects the reaction rate.
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Question:Consider a hypothetical chemical reaction that involves the conversion of reactants A and B into products C and D. The reaction is known to be highly exothermic and occurs in a closed system at constant temperature and pressure. Based on this information, answer the following question: Why does the rate of reaction decrease over time, even though the reaction is exothermic?
A Moving to another question will save this response. Question 5 As the temperature of a reaction is increased, the rate of the reaction increases because the...? OA product molecules collide more frequently and with greater energy per collision. OB. reactant molecules collide more frequently and with greater energy per collision. Oc activation energy is lowered. OD. reactant molecules collide less frequently with lower energy per collision. OE reactant molecules collide less frequently. OF the rate of reaction is inversely proportional to the number of effective collisions per second. A Moving to another question will save this response. MacBook Air SO esc %23 %24 & 2 3 4 5 6. 8. T Y G H K V B comman
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Listen Which is a high-energy, short-lived intermediate that forms during the conversmn of reactants to products during a chemical reaction? O Kinetic energy OActivated complex O Activation energy Catalyst Enthalpy
3. The higher the temperature is, the faster is the rate of reaction because ... more molecules collides with other molecules. less molecule collides with other molecules. molecules become smaller in size. molecules become larger. Other: 4. Why does the rate of chemical reaction increases as you increase the temperature more molecules collides with other molecules. less molecule collides with other molecules. molecules become smaller in size. molecules become larger. 5. What happens to the reaction rate if the concentration of reactants decreases? Reaction rate decreases. Reaction rate increases Reaction rate will decrease and then increase after a while. Reaction rate will increase and then decrease after a while. Other:
Reaction diagrams for two similar reactions (reaction A and reaction B) are shown below on the same set of axes. Which one is likely to have the higher rate constant? Explain how you know.
All changes savec 31. Why does increasing the temperature of a chemical reaction speed up the reaction? O Increasing the temperature of the substance does not speed up the reaction. O Increasing the temperature will increase how fast the particles will move; the faster the particles move, the less they bump Into each other, speeding up the reaction. O Increasing the temperature of the substance will slow down the movement of the particles, therefore allowing the reaction to speed up. O When the temperature of the substance is increased, the particles within it will move faster. The particles will move faster and will bump into each other more, increasing speed of the emical reaction. 32. The illustration below graphs energy during the formation of a covalent bond. Where can you identify an endothermic reaction? 2 H,+ 0, 2 H,0 PREVIOUS 1-50 of 50 NEXT REVIEW DELL
16. Use the diagram to answer these questions. 75 50 25 Products Reactants -25 Reaction progress a) Is the reaction exothermic or endothermic? b) Determine the approximate value of AE for the forward reaction. Energy (kl/mol)
Consider the attached energy diagram for the conversion of A → G. Question: Which points on the graph correspond to reactive intermediates?
What are possible units for the rate of a reaction? Multiple Choice s-1 L².mol-2.5-1 L.mol-1.5-1 7