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a.
To determine:
The classification of the reaction in which the reactants involved have lower energy than the products formed as being exergonic or endergonic in nature.
Concept Introduction:
b.
To determine:
The classification of the reaction in which the products formed have lower energy than the reactants involved as being exergonic or endergonic in nature.
Concept Introduction:
Thermodynamics is the branch of chemistry which studies the difference of heat and energies of product and reactant in the chemical reaction. Therefore, the sign of free energy change and heat change for a given chemical reaction is predicted by using the concept of thermodynamics.
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Chapter 5 Solutions
General, Organic, and Biological Chemistry (3rd Edition)
- Draw an energy diagram graph for an endothermic reaction where no catalyst is present. Then draw an energy diagram graph for the same reaction when a catalyst is present. Indicate the similarities and differences between the two diagrams.arrow_forwardWhat does it mean if Keg = 1? A. Products are favored over reactants in the reaction. O B. Products and reactants are equally favored in the reaction. C. All of the reactants have turned into products in the reaction. D. Reactants are favored over products in the reaction.arrow_forwardThe reaction diagram shown represents which type of reaction? Reaction Coordinate One-step, fast, exergonic a. One-step, fast, endergonic b. Two-step, fast, endergonic C. Two-step, slow, exergonic d. One-step, slow, exergonic е. Energyarrow_forward
- How does a decrease in the temperature of a chemical reaction affect the reaction rate? The reaction rate does not change. The reaction rate increases. The reaction rate decreases. How does an increase in the reactant concentration affect the reaction rate of a chemical reaction? The reaction rate decreases. The reaction rate increases. The reaction rate does not change.arrow_forwardIllustrate a three-step energy diagram using the following: a . It has two starting reactants forming a single product.b. The second step is the rate-determining step.c. The second intermediate is more stable intermediate than the first.d. The reaction is endothermic.arrow_forwardQuestion 6 Thermodynamic control of a reaction usually occurs when: A. product formation is reversible B. both possible products have low free energy C. the relative amount of free energy in each product is equivalent D. A and B only E. B and C onlyarrow_forward
- Q1 How did an increase in temperature affect the rate of a reaction?oarrow_forward9. Saponification of fats needs a strong A. halogen B. catalyst to proceed to completion. C. acid D. base 10 Enite bayearrow_forwardA colleague produces this graph of the concentration of carbon dioxide as a function of time. In the reaction measured here, is CO, a product or a reactant? Also, in which region is the reaction rate the slowest: A, B, or C? Reaction Involving Carbon Dioxide B Time (min)arrow_forward
- 6. Consider the following four energy diagrams: A B Potential energy Potential energy Reaction Reaction coordinate coordinate C D Potential energy Potential energy Reaction coordinate Reaction coordinate Which diagrams correspond with a two-step mechanism? Which diagrams correspond with a one-step mechanism? Compare energy diagrams A and C. Which has a relatively larger Ea? Compare diagrams A and C. Which has a negative AG? Compare diagrams A and D. Which has a positive AG? Compare all four energy diagrams. Which one exhibits the largest Ea? Which processes will have a value of Keq that is greater than 1? Which process will have a value of Keq that is roughly equal to 1?arrow_forwardDraw the arrows showing how electron move to get from reactant to product ?arrow_forwardThe reaction diagram shown represents which type of reaction? Reaction Coordinate a. Two-step, slow, exergonic ab. Two-step, fast, endergonic o. One-step, fast, endergonic od. One-step, fast, exergonic e. One-step, slow, exergonic Energyarrow_forward
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