Domanda del libro di testo
If 2.0 mol CH3CH2CH2COOH, 2.0 mol C4H10, and 2.0 mol C6H6 are completely combusted in oxygen, which one produces the least? Explain.
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Ch.3 - Chemical Reactions and Reaction Stoichiometry
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
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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
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Brown 14th EditionCh.3 - Chemical Reactions and Reaction StoichiometryProblema 88a
Brown 14th EditionCh.3 - Chemical Reactions and Reaction StoichiometryProblema 88aCapitolo 3, Problema 88a
If 2.0 mol CH3CH2CH2COOH, 2.0 mol C4H10, and 2.0 mol C6H6 are completely combusted in oxygen, which one produces the largest number of moles of H2O?
Guida verificata passo dopo passo1
Identify the chemical formulas for each compound: CH3CH2CH2COOH (butanoic acid), C4H10 (butane), and C6H6 (benzene).
Write the balanced chemical equation for the complete combustion of each compound. For example, the combustion of butanoic acid is: \[ \text{CH}_3\text{CH}_2\text{CH}_2\text{COOH} + \frac{9}{2} \text{O}_2 \rightarrow 4 \text{CO}_2 + 4 \text{H}_2\text{O} \]
Determine the number of moles of water produced per mole of each compound combusted. For butanoic acid, 4 moles of water are produced per mole of acid.
Calculate the total moles of water produced by multiplying the moles of each compound by the moles of water produced per mole of compound. For example, for butanoic acid: \(2.0 \text{ mol} \times 4 \text{ mol H}_2\text{O/mol} = 8 \text{ mol H}_2\text{O}\).
Compare the total moles of water produced by each compound to determine which one produces the largest number of moles of water.
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Combustion Reaction
A combustion reaction is a chemical process in which a substance reacts with oxygen to produce heat and light. In organic compounds, this typically results in the formation of carbon dioxide and water. Understanding the stoichiometry of combustion reactions is essential for determining the products and their quantities, particularly when comparing different substances.
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02:24
Combustion Apparatus
Stoichiometry
Stoichiometry is the calculation of reactants and products in chemical reactions based on the balanced chemical equation. It allows us to determine the mole ratios of substances involved in the reaction, which is crucial for predicting how many moles of water will be produced from the combustion of each hydrocarbon in the question.
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01:16Stoichiometry Concept
Molar Mass and Molecular Formula
The molar mass and molecular formula of a compound provide information about the number of atoms of each element in a molecule. For hydrocarbons like CH3CH2CH2COOH, C4H10, and C6H6, knowing their molecular formulas helps in calculating the total number of moles of water produced during combustion, as the number of hydrogen atoms directly influences the amount of water formed.
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02:11Molar Mass Concept
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