Domanda del libro di testo
State whether each of these statements is true or false. (a) The longer the bond, the stronger the bond. (c) A typical double bond length is in the 500–1000 pm range.
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 71e
State whether each of these statements is true or false. (e) The longer the bond, the more energy is stored chemical bonds.
Guida verificata passo dopo passo1
Understand the relationship between bond length and bond energy.
Recall that bond energy is the energy required to break a bond.
Note that generally, shorter bonds are stronger and have higher bond energies.
Recognize that longer bonds are typically weaker and have lower bond energies.
Conclude that the statement is false because longer bonds store less energy.
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Bond Length and Bond Energy
Bond length refers to the distance between the nuclei of two bonded atoms. Generally, longer bonds are associated with lower bond energy, meaning they are weaker and require less energy to break. This is because the atoms are held together less tightly, allowing for greater movement and less overlap of their electron clouds.
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01:50
Bond Energy
Types of Chemical Bonds
Chemical bonds can be classified into different types, such as ionic, covalent, and metallic bonds. Each type has distinct characteristics regarding bond length and energy. For instance, covalent bonds can vary in length and strength depending on the atoms involved, while ionic bonds typically have shorter, stronger interactions due to the electrostatic forces between charged ions.
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Energy Storage in Chemical Bonds
Chemical bonds store energy, which can be released or absorbed during chemical reactions. The energy stored in a bond is related to its strength; stronger bonds (shorter lengths) store more energy. Therefore, the statement that longer bonds store more energy is false, as weaker, longer bonds actually store less energy.
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01:49Chemical Bonds
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Domanda del libro di testo
Some chemists believe that satisfaction of the octet rule should be the top criterion for choosing the dominant Lewis structure of a molecule or ion. Other chemists believe that achieving the best formal charges should be the top criterion. Consider the dihydrogen phosphate ion, H2PO4-, in which the H atoms are bonded to O atoms. (a) What is the predicted dominant Lewis structure if satisfying the octet rule is the top criterion?
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Domanda del libro di testo
Some chemists believe that satisfaction of the octet rule should be the top criterion for choosing the dominant Lewis structure of a molecule or ion. Other chemists believe that achieving the best formal charges should be the top criterion. Consider the dihydrogen phosphate ion, H2PO4-, in which the H atoms are bonded to O atoms. (b) What is the predicted dominant Lewis structure if achieving the best formal charges is the top criterion?
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