Domanda del libro di testo
(a) Define the terms limiting reactant and excess reactant.
1
views
Ch.3 - Chemical Reactions and Reaction Stoichiometry
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement177
- Ch.2 - Atoms, Molecules, and Ions231
- Ch.3 - Chemical Reactions and Reaction Stoichiometry216
- Ch.4 - Reactions in Aqueous Solution189
- Ch.5 - Thermochemistry175
- Ch.6 - Electronic Structure of Atoms168
- Ch.7 - Periodic Properties of the Elements150
- Ch.8 - Basic Concepts of Chemical Bonding177
- Ch.9 - Molecular Geometry and Bonding Theories200
- Ch.10 - Gases179
- Ch.11 - Liquids and Intermolecular Forces113
- Ch.12 - Solids and Modern Materials154
- Ch.13 - Properties of Solutions157
- Ch.14 - Chemical Kinetics199
- Ch.15 - Chemical Equilibrium128
- Ch.16 - Acid-Base Equilibria164
- Ch.17 - Additional Aspects of Aqueous Equilibria163
- Ch.18 - Chemistry of the Environment105
- Ch.19 - Chemical Thermodynamics164
- Ch.20 - Electrochemistry171
- Ch.21 - Nuclear Chemistry122
- Ch.22 - Chemistry of the Nonmetals82
- Ch.23 - Transition Metals and Coordination Chemistry79
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry16
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testo
Brown 14th EditionCh.3 - Chemical Reactions and Reaction StoichiometryProblema 73c
Brown 14th EditionCh.3 - Chemical Reactions and Reaction StoichiometryProblema 73cCapitolo 3, Problema 73c
(c) Why should you base your choice of which compound is the limiting reactant on its number of initial moles, not on its initial mass in grams?
Guida verificata passo dopo passo1
Understand the concept of a limiting reactant: The limiting reactant in a chemical reaction is the substance that is totally consumed when the chemical reaction is complete. The amount of product formed is limited by this reactant since the reaction cannot continue without it.
Recognize the difference between moles and mass: Moles measure the number of particles in a substance, which directly correlates to the number of reactant particles available to react. Mass, on the other hand, measures the weight of these particles, which varies depending on the molecular weight of each substance.
Convert mass to moles for comparison: To accurately determine which reactant will limit the reaction, convert the mass of each reactant into moles using their respective molar masses. This step is crucial because it aligns the units of measure, allowing for a direct comparison of the reactants' availability for the reaction.
Compare the stoichiometric ratios: Use the balanced chemical equation to compare the mole ratios of the reactants. This comparison will help you determine which reactant is in insufficient quantity relative to the others, according to the stoichiometric requirements of the reaction.
Identify the limiting reactant: The reactant that has the smallest ratio of available moles to required moles (as per the balanced equation) is the limiting reactant. This is because it will be consumed first, stopping the reaction, regardless of the amounts of other reactants present.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
2mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Limiting Reactant
The limiting reactant is the substance that is completely consumed in a chemical reaction, thus determining the maximum amount of product that can be formed. It is essential to identify this reactant to predict the yield of the reaction accurately. The reactant that runs out first limits the reaction's progress, making it crucial for stoichiometric calculations.
Video consigliato:
Percorso guidato
01:30
Limiting Reagent Concept
Mole Concept
The mole is a fundamental unit in chemistry that quantifies the amount of substance. One mole corresponds to Avogadro's number (approximately 6.022 x 10²³) of particles, such as atoms or molecules. Using moles allows chemists to relate mass to the number of particles, facilitating comparisons between reactants in a reaction based on their stoichiometric ratios.
Video consigliato:
Percorso guidato
01:25Mole Concept
Stoichiometry
Stoichiometry is the calculation of reactants and products in chemical reactions based on balanced equations. It involves using the mole ratios derived from the coefficients in a balanced equation to determine how much of each reactant is needed or how much product can be formed. This concept is vital for understanding how initial moles, rather than mass, dictate the limiting reactant in a reaction.
Video consigliato:
Percorso guidato
01:16Stoichiometry Concept
Pratica correlata
Domanda del libro di testo
The combustion of one mole of liquid octane, CH3(CH2)6CH3, produces 5470 kJ of heat. Calculate how much heat is produced if 1.000 gallon of octane is combusted.
2565
views
Domanda del libro di testo
(c) Can a reaction ever have 110% actual yield?
557
views
Domanda del libro di testo
(b) Why are the amounts of products formed in a reaction determined only by the amount of the limiting reactant?
507
views
Domanda del libro di testo
(b) Why is the actual yield in a reaction almost always less than the theoretical yield?
667
views
Domanda del libro di testo
(a) Define the terms theoretical yield, actual yield, and percent yield.
714
views