Domanda del libro di testo
Ammonia reacts with boron trifluoride to form a stable
compound, as we saw in Section 8.7. (a) Draw the Lewis
structure of the ammonia–boron trifluoride reaction product.
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Ch.8 - Basic Concepts of Chemical Bonding
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
Capitolo 8, Problema 110
Ammonium chloride, NH4Cl, is a very soluble salt in water. (a) Draw the Lewis structures of the ammonium and chloride ions.
Guida verificata passo dopo passo1
To draw the Lewis structure of the ammonium ion (NH_4^+), start by identifying the total number of valence electrons. Nitrogen (N) has 5 valence electrons, and each hydrogen (H) has 1 valence electron. Since the ion has a +1 charge, subtract one electron from the total.
Arrange the atoms with nitrogen in the center and the four hydrogen atoms surrounding it.
Distribute the electrons to form bonds between the nitrogen and each hydrogen atom. Each N-H bond will consist of a pair of shared electrons.
For the chloride ion (Cl^-), start by identifying the total number of valence electrons. Chlorine (Cl) has 7 valence electrons, and since it has a -1 charge, add one extra electron to the total.
Place the chloride ion's electrons around the Cl symbol, ensuring that it has a complete octet (8 electrons) around it.
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Lewis Structures
Lewis structures are diagrams that represent the bonding between atoms in a molecule and the lone pairs of electrons that may exist. They use dots to represent valence electrons and lines to indicate bonds between atoms. Understanding how to draw Lewis structures is essential for visualizing molecular geometry and predicting the behavior of molecules in chemical reactions.
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Percorso guidato
04:28
Lewis Dot Structures: Ions
Ionic Compounds
Ionic compounds are formed when atoms transfer electrons, resulting in the formation of positively charged cations and negatively charged anions. In the case of ammonium chloride, NH4Cl, the ammonium ion (NH4+) acts as a cation, while the chloride ion (Cl-) serves as the anion. Recognizing the nature of ionic bonds helps in understanding the properties of salts, such as solubility in water.
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02:11Ionic Compounds Naming
Solubility in Water
Solubility refers to the ability of a substance to dissolve in a solvent, such as water. Ammonium chloride is highly soluble due to the strong interactions between the ions and water molecules, which stabilize the ions in solution. This concept is crucial for predicting how ionic compounds behave in aqueous environments and their applications in various chemical processes.
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02:07Solubility and Insolubility
Pratica correlata
Domanda del libro di testo
Trifluoroacetic acid has the chemical formula CF3CO2H. It is a colorless liquid that has a density of 1.489 g/mL. (d) How many milliliters of a 0.500 M solution of NaOH would it take to neutralize 10.5 mL of trifluoroacetic acid?
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Domanda del libro di testo
Ammonium chloride, NH4Cl, is a very soluble salt in water. (c) If you dissolve 14 g of ammonium chloride in 500.0 mL of water, what is the molar concentration of the solution?
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Domanda del libro di testo
Trifluoroacetic acid has the chemical formula CF3CO2H. It is a colorless liquid that has a density of 1.489 g/mL. (b) Trifluoroacetic acid can react with NaOH in aqueous solution to produce the trifluoroacetate ion, CF3COO2. Write the balanced chemical equation for this reaction.
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Domanda del libro di testo
(a) Compare the bond enthalpies (Table 8.3) of the carbon– carbon single, double, and triple bonds to deduce an average pi bond contribution to the enthalpy. What fraction of a single bond does this quantity represent?
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Domanda del libro di testo
Ammonium chloride, NH4Cl, is a very soluble salt in water. (d) How many grams of silver nitrate do you need to add to the solution in part (c) to precipitate all of the chloride as silver chloride?
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