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Which reaction pathways shows the effect a catalyst (black) might have on an uncatalyzed reaction (gray)? O a) O b) Od ww e) mat d) Both B and C are possible

Which reaction pathways shows the effect a catalyst (black) might have on an uncatalyzed reaction (gray)? O a) O b) Od ww e) mat d) Both B and C are possible

Chemistry
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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**Question:** Which reaction pathway shows the effect a catalyst (black) might have on an uncatalyzed reaction (gray)? **Options:** a) - Diagram: The graph shows two reaction pathways (black and gray) with the black line having a slightly lower peak compared to the gray line. - Labels: "react." (reactants) at the start, "prod." (products) at the end, and "Reaction path" under the x-axis. b) - Diagram: The black line has a significantly lower peak than the gray line, indicating a decrease in activation energy. - Labels: "react.", "prod.", and "Reaction path." c) - Diagram: The black line has a lower peak than the gray line, similar to option b, but it occurs earlier in the reaction path. - Labels: "react.", "prod.", and "Reaction path." d) Both B and C are possible e) - Diagram: The black and gray lines are almost identical, with the black line having a slightly lower peak. - Labels: "react.", "prod.", and "Reaction path." **Explanation of Diagram:** Each graph depicts the energy profile of a chemical reaction, where the y-axis represents energy and the x-axis represents the reaction path. The gray line indicates the energy profile of the uncatalyzed reaction, while the black line shows how the presence of a catalyst affects the reaction's activation energy. A catalyst typically lowers the activation energy, thereby speeding up the reaction.
Transcribed Image Text:**Question:** Which reaction pathway shows the effect a catalyst (black) might have on an uncatalyzed reaction (gray)? **Options:** a) - Diagram: The graph shows two reaction pathways (black and gray) with the black line having a slightly lower peak compared to the gray line. - Labels: "react." (reactants) at the start, "prod." (products) at the end, and "Reaction path" under the x-axis. b) - Diagram: The black line has a significantly lower peak than the gray line, indicating a decrease in activation energy. - Labels: "react.", "prod.", and "Reaction path." c) - Diagram: The black line has a lower peak than the gray line, similar to option b, but it occurs earlier in the reaction path. - Labels: "react.", "prod.", and "Reaction path." d) Both B and C are possible e) - Diagram: The black and gray lines are almost identical, with the black line having a slightly lower peak. - Labels: "react.", "prod.", and "Reaction path." **Explanation of Diagram:** Each graph depicts the energy profile of a chemical reaction, where the y-axis represents energy and the x-axis represents the reaction path. The gray line indicates the energy profile of the uncatalyzed reaction, while the black line shows how the presence of a catalyst affects the reaction's activation energy. A catalyst typically lowers the activation energy, thereby speeding up the reaction.
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