Ch.13 - Chemical KineticsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: You study the rate of a reaction, measuring both the concentration of the reactant and the concentration of the product as a function of time, and obtain the following results: Choose equivalent expre

Solution: You study the rate of a reaction, measuring both the concentration of the reactant and the concentration of the product as a function of time, and obtain the following results: Choose equivalent expre

Problem

You study the rate of a reaction, measuring both the concentration of the reactant and the concentration of the product as a function of time, and obtain the following results: 

A graph has time on the x-axis and concentration on the y-axis. Both are unscaled. Curve A increases from the origin with a downward concave curve and curve B starts one third of the way up the y-axis and decreases (concave).

Choose equivalent expressions for the rate of the reaction in terms of the appearance or disappearance of the two substances.

Solution

We are being asked to determine the equivalent expressions for the rate of appearance and disappearance of the reactant and product given the graph.


A graph has time on the x-axis and concentration on the y-axis. Both are unscaled. Curve A increases from the origin with a downward concave curve and curve B starts one third of the way up the y-axis and decreases (concave).

Recall: General or Average Rate is the change in the concentration of a compound over a period of time.


Rate = A time

where A is the product

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