Textbook Question
Under certain conditions, the reaction of 0.5 M 1-bromobutane with 1.0 M sodium methoxide forms 1-methoxybutane at a rate of 0.05 mol/L per second. What would be the rate if 0.1 M 1-bromobutane and 2.0 M NaOCH3 were used?
6. Thermodynamics and Kinetics
Energy Diagram
Back6. Thermodynamics and Kinetics
Energy Diagram
- Textbook Question
How will the rate of the reaction between bromomethane and hydroxide ion be affected if the following changes in concentration are made?
c. The concentration of the alkyl halide is cut in half and the concentration of the nucleophile is doubled.
- Multiple ChoiceIf the transition state has a high energy relative to the energies of the reactants and products, what does this say about the reaction?
- Multiple ChoiceWhich equation would you use to calculate the rate of a reaction?
- Multiple ChoiceComplete the following sentence: Breaking bonds ____________.
- Multiple ChoiceWhich reaction coordinate diagram matches the following acid/base reaction?
- Multiple ChoiceIn an enantioselective reaction, what best accounts for the formation of one enantiomer preferentially over the other enantiomer?
- Textbook Question
The bond angles in a regular polygon with n sides are equal to 180° - 360°/n
a. What are the bond angles in a regular octagon?
b. What are the bond angles in a regular nonagon?
- Textbook QuestionThe bromination of methane proceeds through the following steps:1. Br2 + 2 Br• ΔH° (per mole)/+190 kJ (45 kcal)Ea (per mole)/ 190 kJ (45 kcal)2. CH4 + Br• —> CH3+ HBr +73 kJ (17 kcal) 79 kJ (19 kcal) 3. • CH3 + Br2 —> CH3Br + Br -112 kJ (-27 kcal) 4 kJ (1 kcal) a. Draw a complete reaction-energy diagram for this reaction. b. Label the rate-limiting step.
- Textbook Question
Draw a reaction-energy diagram for a one-step exothermic reaction. Label the parts that represent the reactants, products, transition state, activation energy, and heat of reaction.
- Textbook Question
The bromination of methane proceeds through the following steps:
a. Draw a complete reaction-energy diagram for this reaction.
b. Label the rate-limiting step.
- Textbook Question
Draw the reaction-energy diagram for the following reverse reaction:
•CH3 + HCl → CH4 + Cl•
- Textbook Question
Draw a reaction-energy diagram for the following reaction:
•CH3 + Cl2 → CH3Cl + Cl•
The activation energy is 4 kJ/mol (1 kcal/mol), and the overall ΔH° for the reaction is –110 kJ/mol (–27 kcal/mol).
- Textbook Question
•CH3 + Cl2 → CH3Cl + Cl•
The activation energy is 4 kJ/mol (1 kcal/mol), and the overall ΔH° for the reaction is –110 kJ/mol (–27 kcal/mol).
b. Give the equation for the reverse reaction.
c. What is the activation energy for the reverse reaction?
- Textbook Question
Draw a reaction-energy diagram for a two-step endothermic reaction with a rate-limiting second step.