Domanda del libro di testo
(a) What is a monomer? (b) Which of these molecules can be used as a monomer: ethanol, ethene (also called ethylene), methane?
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Ch.12 - Solids and Modern Materials
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970
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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement146
- Ch.2 - Atoms, Molecules, and Ions200
- Ch.3 - Chemical Reactions and Reaction Stoichiometry176
- Ch.4 - Reactions in Aqueous Solution155
- Ch.5 - Thermochemistry126
- Ch.6 - Electronic Structure of Atoms131
- Ch.7 - Periodic Properties of the Elements126
- Ch.8 - Basic Concepts of Chemical Bonding123
- Ch.9 - Molecular Geometry and Bonding Theories143
- Ch.10 - Gases147
- Ch.11 - Liquids and Intermolecular Forces91
- Ch.12 - Solids and Modern Materials122
- Ch.13 - Properties of Solutions126
- Ch.14 - Chemical Kinetics174
- Ch.15 - Chemical Equilibrium101
- Ch.16 - Acid-Base Equilibria139
- Ch.17 - Additional Aspects of Aqueous Equilibria146
- Ch.18 - Chemistry of the Environment72
- Ch.19 - Chemical Thermodynamics129
- Ch.20 - Electrochemistry142
- Ch.21 - Nuclear Chemistry101
- Ch.22 - Chemistry of the Nonmetals68
- Ch.23 - Transition Metals and Coordination Chemistry66
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry10
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970Non è quello che usi tu?Cambia libro di testo
Capitolo 12, Problema 86
Write a balanced chemical equation for the formation of a polymer via a condensation reaction from the monomers succinic acid 1HOOCCH2CH2COOH2 and ethylenediamine 1H2NCH2CH2NH22.
Guida verificata passo dopo passo1
Identify the functional groups in each monomer: Succinic acid has two carboxylic acid groups (-COOH), and ethylenediamine has two amine groups (-NH2).
Recognize that a condensation reaction involves the removal of a small molecule, typically water (H2O), when two monomers join together.
Determine the repeating unit of the polymer: Each carboxylic acid group from succinic acid can react with an amine group from ethylenediamine, forming an amide linkage (-CONH-) and releasing a water molecule.
Write the balanced chemical equation: Combine the monomers in a way that shows the formation of the polymer chain and the release of water molecules. For each amide bond formed, one water molecule is released.
Express the polymerization process: Use 'n' to represent the number of repeating units in the polymer chain, and ensure the equation reflects the stoichiometry of the reaction.
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Condensation Reaction
A condensation reaction is a chemical process where two molecules combine to form a larger molecule, releasing a small molecule, often water, as a byproduct. This type of reaction is crucial in polymer chemistry, as it allows for the formation of long-chain molecules from smaller monomer units, such as the combination of succinic acid and ethylenediamine.
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Percorso guidato
01:53
Condensed Formula
Balanced Chemical Equation
A balanced chemical equation represents a chemical reaction with equal numbers of each type of atom on both sides of the equation. Balancing is essential to obey the law of conservation of mass, ensuring that matter is neither created nor destroyed during the reaction. In the context of polymer formation, it is important to accurately depict the reactants and products involved.
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01:32Balancing Chemical Equations
Polymer Formation
Polymer formation involves the linking of monomers through chemical reactions to create larger, more complex structures known as polymers. In this case, succinic acid and ethylenediamine react to form a polymer through a condensation reaction, resulting in the release of water and the creation of amide linkages, which are characteristic of many biological and synthetic polymers.
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02:34Enthalpy of Formation
Pratica correlata
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Write the chemical equation that represents the formation of (b) polyacrylonitrile from acrylonitrile (polyacrylonitrile is used in home furnishings, craft yarns, clothing, and many other items).
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Domanda del libro di testo
What molecular structural features cause high-density polyethylene to be denser than low-density polyethylene?
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