Domanda del libro di testo
This graph shows a plot of the rate of a reaction versus the concentration of the reactant.
a. What is the order of the reaction with respect to A?
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Ch.15 - Chemical Kinetics
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving118
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds131
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions82
- Ch.6 - Gases114
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements90
- Ch.10 - Chemical Bonding I: The Lewis Model89
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials47
- Ch.14 - Solutions90
- Ch.15 - Chemical Kinetics115
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases136
- Ch.18 - Aqueous Ionic Equilibrium153
- Ch.19 - Free Energy & Thermodynamics93
- Ch.20 - Electrochemistry106
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry140
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Capitolo 15, Problema 37c
This graph shows a plot of the rate of a reaction versus the concentration of the reactant A for the reaction A → products. c. Write a rate law for the reaction including an estimate for the value of k.
Guida verificata passo dopo passo1
Identify the order of the reaction by analyzing the graph. If the rate is directly proportional to the concentration of A, it is first order. If the rate is proportional to the square of the concentration of A, it is second order.
Write the general form of the rate law based on the order determined. For a first-order reaction, the rate law is: rate = k[A]. For a second-order reaction, the rate law is: rate = k[A]^2.
Estimate the value of the rate constant k by using a point from the graph. Choose a point where the concentration of A and the corresponding rate are given.
Substitute the values of the concentration of A and the rate into the rate law equation to solve for k.
Express the rate law with the estimated value of k, including the units of k based on the order of the reaction.
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Rate Law
The rate law expresses the relationship between the rate of a chemical reaction and the concentration of its reactants. It is typically formulated as rate = k[A]^n, where k is the rate constant, [A] is the concentration of reactant A, and n is the order of the reaction with respect to A. The order can be determined experimentally and indicates how the rate is affected by changes in concentration.
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Percorso guidato
01:52
Rate Law Fundamentals
Reaction Order
The reaction order is a key concept in kinetics that describes how the rate of a reaction depends on the concentration of reactants. It can be zero, first, second, or higher, depending on how the rate changes with varying concentrations. For example, a first-order reaction means that doubling the concentration of the reactant will double the reaction rate.
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00:36Average Bond Order
Rate Constant (k)
The rate constant, denoted as k, is a proportionality factor in the rate law that is specific to a given reaction at a particular temperature. It reflects the speed of the reaction; a larger k indicates a faster reaction. The value of k can be determined experimentally and is influenced by factors such as temperature and the presence of catalysts.
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01:14Equilibrium Constant K
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This graph shows a plot of the rate of a reaction versus the concentration of the reactant A for the reaction A → products. a. What is the order of the reaction with respect to A?
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This graph shows a plot of the rate of a reaction versus the concentration of the reactant.
c. Write a rate law for the reaction including the value of k.
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