Domanda del libro di testo
Find the limiting reactant for each initial amount of reactants. 4 Al(s) + 3 O2( g) → 2 Al2O3(s)
a. 4 mol Al, 2 mol O2
b. 5 mol Al, 3 mol O2
c. 17 mol Al, 11 mol O2
d. 8.8 mol Al, 7.2 mol O2
Ch.4 - Chemical Reactions and Chemical Quantities
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
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217Non è quello che usi tu?Cambia libro di testo
Capitolo 4, Problema 46
Consider the reaction: 2 CH3OH(g) + 3 O2(g) → 2 CO2(g) + 4 H2O(g) Each of the molecular diagrams represents an initial mixture of the reactants. How many CO2 molecules form from the reaction mixture that produces the greatest amount of products?
Guida verificata passo dopo passo1
Identify the balanced chemical equation: 2 \(\text{CH}\)_3\(\text{OH}\)(g) + 3 \(\text{O}\)_2(g) \(\rightarrow\) 2 \(\text{CO}\)_2(g) + 4 \(\text{H}\)_2\(\text{O}\)(g)
Determine the stoichiometric ratios from the balanced equation: 2 \(\text{CH}\)_3\(\text{OH}\) : 3 \(\text{O}\)_2 : 2 \(\text{CO}\)_2 : 4 \(\text{H}\)_2\(\text{O}\)
Examine the molecular diagrams to count the number of \(\text{CH}\)_3\(\text{OH}\) and \(\text{O}\)_2} molecules available initially.
Identify the limiting reactant by comparing the available molecules to the stoichiometric ratios.
Calculate the maximum number of \(\text{CO}\)_2 molecules that can be formed based on the limiting reactant using the stoichiometric ratio: \(\text{Limiting Reactant}\) \(\rightarrow\) \(\text{CO}\)_2.
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Stoichiometry
Stoichiometry is the calculation of reactants and products in chemical reactions based on the balanced equation. It allows us to determine the proportions of each substance involved in the reaction. In this case, the coefficients in the balanced equation indicate that for every 2 moles of CH₃OH consumed, 2 moles of CO₂ are produced, establishing a direct relationship between the reactants and products.
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Percorso guidato
01:16
Stoichiometry Concept
Limiting Reactant
The limiting reactant is the substance that is completely consumed first in a chemical reaction, thus determining the maximum amount of product that can be formed. Identifying the limiting reactant is crucial for calculating the yield of products. In this reaction, the initial amounts of CH₃OH and O₂ will dictate which reactant limits the formation of CO₂.
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Percorso guidato
01:30Limiting Reagent Concept
Molecular Diagrams
Molecular diagrams visually represent the arrangement and interaction of molecules in a chemical reaction. They help in understanding the initial concentrations of reactants and the potential products formed. Analyzing these diagrams can provide insights into how many molecules of CO₂ can be produced based on the initial mixture of CH₃OH and O₂.
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Percorso guidato
04:12Molecular Orbital Diagram
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