2. Rate of a Reaction Based on the Concentrations of Products and Reactants
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Kinetics : ConcVsTimeGraph (8 Variations)
The following graph shows the change in concentration as a function of time for the reaction:
2NO2(g) + F2(g) 2NO2F(g)
What do each of the curves A, B, and C represent?
Kinetics
Kinetics : CompareEnergyProfile (11 Variations)
Consider the following reactions that take place at the same temperature, begin with the same molar concentrations, and whose energy profiles are presented below:
Kinetics
Kinetics : FactorsAffectingRate (7 Variations) Which of the following changes would NOT affect the rate of the reaction of cisplatin with water? Pt(NH3)2Cl2(aq) + H2O(l) [Pt(NH3)2(H2O)Cl]+ + Cl-
Experiments with AspirinLonda L. Borer and Edward Barry Experiments include (i) synthesis, purification, and characterization of aspirin by mp and TLC, (ii) percentage composition of a commercial aspirin tablet by titration, (iii) kinetics of the hydrolysis of aspirin to salicylic acid under various conditions, (iv) synthesis and characterization of copper(II) aspirinate and copper(II) salicylate, and (v) reaction of copper(II) aspirinate in aqueous solution. Borer, Londa L.; Barry, Edward. J. Chem. Educ.2000, 77, 354.
Synthesis |
Kinetics |
Drugs / Pharmaceuticals |
Medicinal Chemistry |
Aromatic Compounds
Chemistry Time: Factors Affecting the Rate of a Chemical Reaction This activity can be used to introduce a unit on chemical kinetics, but it is simple enough to be used in a discussion of chemical reactions or experimental methods/procedures during the first weeks of the semester. The activity involves reacting bicarbonate with acid, a reaction with practical applications in everyday life. J. Chem. Educ.1998, 75, 1120A.
Kinetics |
Rate Law
Audience-Appropriate Analogies: Collision TheoryKent W. Piepgrass This article presents two new analogies for collision theory based on arcade games and on the interactions between salesclerks and customers in a store. The uses, limitations, and possible extensions of the analogies are discussed. Piepgrass, Kent W. J. Chem. Educ.1998, 75, 724.
Kinetica; An Excel program to Stimulate or Analyze Kinetic DataLeonel Vera, Pedro Ortega, Miguel Guzmán The Excel spreadsheet Kinetica both simulates and analyzes kinetic data for simple rate equations of the form: - d[A]/dt = k [A]^n Instructors or students can generate simulated kinetic data using parameters they specify, or using parameters randomized by Kinetica. The data set that is generated may then be exported for use in exercises, homework, and exams, or may be analyzed directly within Kinetica. A kinetics data set may also be imported from an external source into Kinetica for analysis.
Kinetics
An Excel Program to Study First-Order KineticsKen Muranaka User data can be analyzed to determine what parameter values of the first order rate expression give the closest fit, or data can be generated using user-input values of the rate parameters and random noise levels. Statistical characterizations such as confidence limits and variance are calculated.
Kinetics
ChemPaths 104 F Feb 18John W. Moore Today in Chem 104:
* Lecture: Rates of Reaction
* Reading:
Kotz: Ch. 15, Sec. 1-2
Moore, Ch 13, Sec. 1-2
* Homework #5 due by 11:55 pm F Feb 26
* Excel Assignment due at first discussion section
next week (week of Feb. 21)
2NO2F(g)
