Concept explainers
Interpretation:
Arrows indicating the energy barriers of the exergonic reaction in Figure 9-1a and the endergonic reaction in Figure 9-1b are to be drawn. The two reactions are to be compared assuming the same energy scale.
Concept introduction:
The energy barrier to a reaction of an elementary step is the difference in the energies of the reactant and the transition state of that reaction or elementary step. The transition state is an excited state, and therefore, has a higher energy than the reactant(s). Therefore, the activation energy for a reaction or an elementary step is always positive.
The transtion state simulates the reactant in an exergonic reaction, while in an endergonic reaction, it mirror of the product.
Want to see the full answer?
Check out a sample textbook solutionChapter 9 Solutions
ORGANIC CHEMISTRY E-BOOK W/SMARTWORK5
- Please do the 4th reaction to the 7th reactionarrow_forwardI was able to do a few of these on my own, but I'm really stuck with this one. Should I be flipping the third reaction? If so, how does that help me cancel out the reactants and products on both sides? Which ones should I be multiplying?arrow_forwardFor 10.29, the trans product (major product) and the cis product (third product) are displayed as possible E2 products. However, for 10.30, only the trans product (major product) is shown. How come the cis product is not needed?arrow_forward
- Analyze the Sn2 reactions by filling out the chart and answering the questionsarrow_forwardPls ignore the highlighted part __________ is reduced in thefollowing reaction: Cr2O72- + 6S2O32-+ 14H+→ 2Cr3+ + 3S4O62- + 7H2Oarrow_forwardEdit the reaction by drawing all steps in the appropriate boxes and connecting them with reaction arrows. Add charges where needed. Electron flow arrows should start on an atom or a bond and should end on an atom, bond, or location where a new bond should be created.arrow_forward
- Consider reactions ‘a’ and ‘b’ shown below, then determine which of A to E is true.arrow_forwardPlease draw an energy diagram for the following reaction.The Ea= 15kJ/mol and the H = -20kJ/mol.arrow_forwardExplain how you can tell from the energy diagram that the reaction with the catalyst in Fig. 8.4 isfaster than the reaction without the catalyst.arrow_forward
- In each of the following three reaction coordinate diagrams, state: (a) Whether the reaction is exothermic or endothermic. (b) Whether the reaction is the slowest, the fastest, or intermediate in rate. (c) If all three reactions have the same entropy change between the reactant and product, which reaction has the largest favorable G0.arrow_forwardWhy is the second step of the reaction the slower one?arrow_forward1. What is final product? 2. What are the 4 reactions & steps in mechanism (show product and mechanism steps)? 3. It is kinetic or thermodynamic?arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningOrganic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning