10.6: Nucleophilic Substitution Reactions of Ethers
- Page ID
- 13902
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The rate of a chemical reaction is the change in concentration over the change in time.
Introduction
The rate of a chemical reaction is the change in concentration over the change in time and is a metric of the "speed" at which a chemical reactions occurs and can be defined in terms of two observables:
- The Rate of Disappearance of Reactants \[-\dfrac{\Delta[Reactants]}{\Delta{t}}\] Note this is negative because it measures the rate of disappearance of the reactants.
- The Rate of Formation of Products \[\dfrac{\Delta{[Products]}}{\Delta{t}}\] This is the rate at which the products are formed.
They both are linked via the balanced chemical reactions and can both be used to measure the reaction rate.
References
- Petrucci et al. General Chemistry: Principles & Modern Applications, 9th Edition. New Jersey: Prentice-Hall Inc., 2007.
- Connors, Kenneth. Chemical Kinetics: The Study of Reaction Rates in Solution. New York City: VCH Publishers, Inc., 1990.
Problems
- Consider the reaction \(2A + B \longrightarrow C\). The concentration of [A] is 0.54321M and the rate of reaction is \(3.45 \times 10^{-6} M/s\). What Concentration will [A] be 3 minutes later?
- Consider the reaction \(A + B \longrightarrow C\). The rate of reaction is 1.23*10-4. [A] will go from a 0.4321 M to a 0.4444 M concentration in what length of time?
- Write the rate of the chemical reaction with respect to the variables for the given equation. \[2A+3B \rightarrow C+2D\]
- True or False: The Average Rate and Instantaneous Rate are equal to each other.
- How is the rate of formation of a product related to the rates of the disappearance of reactants.
Contributors
- Albert Law, Victoria Blanchard, Donald Le