Domanda del libro di testo
Match the following physical and chemical properties with octane, C8H18 found in gasoline, or magnesium sulfate, MgSO4 also called Epsom salts:
a. contains only covalent bonds
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Ch.11 Introduction to Organic Chemistry: Hydrocarbons
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249
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TOC.tableOfContents
- Ch.1 Chemistry in Our Lives19
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy53
- Ch.4 Atoms and Elements58
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions38
- Ch.8 Gases30
- Ch.9 Solutions50
- Ch.10 Acids and Bases and Equilibrium64
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons77
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones82
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides91
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis86
- Ch.18 Metabolic Pathways and ATP Production73
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Non è quello che usi tu?Cambia libro di testo
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Timberlake 14th EditionCh.11 Introduction to Organic Chemistry: HydrocarbonsProblema 41e
Timberlake 14th EditionCh.11 Introduction to Organic Chemistry: HydrocarbonsProblema 41eCapitolo 11, Problema 41e
Match the following physical and chemical properties with potassium chloride, KCl, used in salt substitutes, or butane, C4H10 used in lighters:
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e. is a gas at room temperature
Guida verificata passo dopo passo1
Identify the two substances in the problem: potassium chloride (KCl) and butane (C₄H₁₀). Potassium chloride is an ionic compound, while butane is a molecular compound.
Understand the physical state of each substance at room temperature (approximately 25°C): Ionic compounds like KCl are typically solids at room temperature due to strong ionic bonds. Molecular compounds like butane can exist as gases, liquids, or solids depending on their molecular structure and intermolecular forces.
Analyze the molecular structure of butane (C₄H₁₀): Butane is a hydrocarbon with weak London dispersion forces as its primary intermolecular force. Its low molecular weight and weak intermolecular forces make it a gas at room temperature.
Compare this to potassium chloride (KCl): KCl has strong ionic bonds between potassium (K⁺) and chloride (Cl⁻) ions, which require significant energy to break. This makes KCl a solid at room temperature.
Conclude that the property 'is a gas at room temperature' matches butane (C₄H₁₀), not potassium chloride (KCl).
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Concetti chiave
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Physical Properties
Physical properties are characteristics of a substance that can be observed or measured without changing its chemical identity. Examples include state (solid, liquid, gas), color, melting point, and boiling point. Understanding these properties helps in identifying substances and predicting their behavior under different conditions.
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02:54
Physical Properties Concept
Chemical Properties
Chemical properties describe how a substance interacts with other substances, leading to a change in its chemical composition. These properties include reactivity, acidity, and flammability. Recognizing these properties is essential for understanding how substances like potassium chloride and butane behave in various chemical reactions.
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02:11Chemical Properties Example 1
States of Matter
The states of matter refer to the distinct forms that different phases of matter take on. The most common states are solid, liquid, and gas. For example, butane is a gas at room temperature, while potassium chloride is a solid. Knowing the state of a substance at a given temperature is crucial for applications in chemistry and industry.
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01:35States of Matter Concept 1
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