Concept explainers
(a)
Interpretation:
The compound that is present in the greatest amount and that is present in the least amount when reaction comes to equilibrium is to be stated.
Concept introduction:
The free energy diagram of a reaction is the plot of standard free energy versus reaction coordinate or reaction progress. The products and reactants are placed at their respective free energy. The difference in the free energy of products and reactants is the standard free energy of the reaction.
(b)
Interpretation:
The rate limiting step of the reaction is to be stated.
Concept introduction:
The free energy diagram of a reaction is the plot of standard free energy versus reaction coordinate or reaction progress. The products and reactants are placed at their respective free energy. The difference in the free energy of products and reactants is the standard free energy of the reaction.
(c)
Interpretation:
The standard free energy of activation for the overall reaction
Concept introduction:
The free energy diagram of a reaction is the plot of standard free energy versus reaction coordinate or reaction progress. The products and reactants are placed at their respective free energy. The difference in the free energy of products and reactants is the standard free energy of the reaction.
(d)
Interpretation:
The faster reaction between
Concept introduction:
The free energy diagram of a reaction is the plot of standard free energy versus reaction coordinate or reaction progress. The products and reactants are placed at their respective free energy. The difference in the free energy of products and reactants is the standard free energy of the reaction.
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Organic Chemistry
- 47. Which energy diagram corresponds to the given reaction (below)? MeOH Brarrow_forward(a) Select all of the correct statements about reaction rates from the choices below. 1.The lower the rate of a reaction the longer it takes to reach completion.2 The rate of a reaction is independent of temperature.3 Slow reactions can be speeded up by raising the temperature.4. Reaction rates increase with increasing temperature.5. Solid catalysts do not affect reaction rates.6. Reactions involving very unstable combinations of chemicals have large rate constants.7. A balanced chemical reaction is necessary to relatearrow_forwardSketch an energy diagram for a two-step reaction in which both steps are exergonic and in which the second step has a higher-energy transition state than the first. Label the parts of the diagram corresponding to reactant, product, intermediate, overall AG+, and overall AG°.arrow_forward
- 6. without intermediates. The reaction has an equilibrium constant Keq = [B]/[A] = 102 and, with the free energy of A as a reference point, a standard free energy of activation of 68 kJ/mol. a) Draw a reaction free energy diagram (a potential energy diagram) for this process, showing the relative energies of A, B and the transition state. b) What is the standard free energy of activation for the reverse reaction, B A? Show your work. A certain compound A is converted in o a compound B in a reactionarrow_forwardTo draw: An energy diagram for a two-step reaction in which both steps are exergonic and in which the second step has a higher-energy transition state than the first. Label the parts of the diagram correspoding to reactant, product, intermediate, overall ΔG‡, and overall ΔG°.arrow_forward2) The equilibrium constant Ke for the reaction A B is 1 x 105 at room temperature (25°C). a) You make a solution containing compound A at a concentration of 1 M and compound B at a concentration of 1 mM of B, and let the reaction proceed to equilibrium. What are the equilibrium concentrations of A and B? b) Calculate the standard free-energy change (AG) for this reaction. c) What is the standard free-energy change (AG) for the inverse reaction (BA)?arrow_forward
- Which reaction is most likely represented using this reaction co-ordinate diagram?arrow_forwardConsider the following energy profile. (a) How many elementary reactions are in the reactionmechanism? (b) How many intermediates are formed inthe reaction? (c) Which step is rate limiting? (d) For theoverall reaction, is ΔE positive, negative, or zero?arrow_forward46. The Strength of Nucleophile: Which one is the strongest nucleophile? OH (B) 0-CH, -CH, (D) O (C) O (A) O (D) O (B)arrow_forward
- 7) Consider the following reactions. F2 Meo Meo F2 Meo Meo. a) Draw a reaction co-ordinate diagram that shows the energy pathways for the three reactions shown above (assume the reactants and products have equal energies).arrow_forwardWhich value (if any) corresponds to a faster reaction: (a) Ea = 40 kJ/mol or Ea = 4 kJ/mol; (b) a reaction temperature of 0 °C or a reaction temperature of 25 °C; (c) Keq = 10 or Keq = 100; (d) ΔHo = −10 kJ/mol or ΔHo = 10 kJ/mol?arrow_forward(а) (b) (c) (d) all react at same ratearrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning