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Enthalpy bonding

TABLE 6.8 Bond Mean Bond Enthalpies (kl mol 1 Mean bond enthalpy ) Bond Mean bond enthalpy... [Pg.375]

A//298 is called the bond dissociation enthalpy or simply the bond enthalpy. Bond enthalpies are often also called bond energies because the small difference between the two values (ca. 2.5 kJ mol-1) can be ignored in many cases, particularly for polyatomic molecules. [Pg.40]

Bond Length/Enthalpy Bond Length/Enthalpy Bond Length/Enthalpy... [Pg.20]

Bond Average bond enthalpy Bond Average bond enthalpy... [Pg.436]

We have already defined the terms bond enthalpy, bond energy, etc. Here we will take up important trends observed. [Pg.205]

The relationships between bond enthalpy, bond length and bond order which appear relatively simple in the case of a main group element such as carbon and its compounds, are more difficult to establish when the d-transition metal elements and their compounds are considered. Progress in establishing these relationships for metals is severely hindered by a lack of relevant thermochemical data. This paper reviews some of the more useful information that is available for diatomic molecules, for polynuclear binary carbonyls and for binuclear complexes of the d-transition elements. [Pg.197]

Metal-Metal bond enthalpy contributions, M/kJ mol in polynuclear metal carbonyls derived from a) two-centre electron pair bond description, b) bond enthalpy/bond length relation. [Pg.200]

For large rings, the enthalpy (bond energy) terms should cancel out... [Pg.196]

A large number of organometallic thermochemistry studies were focused on the stability of chemical bonds rather than the stability of molecules as a whole. In this case, stability is associated with a strong bond and instability with a weak bond. Thermochemical measurements of bond strengths are normally given in terms of bond dissociation enthalpies, bond enthalpy terms, and, more infrequently, intrinsic bond enthalpies. Consider, for example, the molecule MoCp2Me2- The molybdenum-methyl bond dissociation enthalpy, (Mo-Me), corresponds to the standard enthalpy of the process ... [Pg.609]

Just as we can define an average bond enthalpy, we can also define an average bond length for a number of common bonds (A TABLE 8.5). Of particular interest is the relationship, in any atom pair, among bond enthalpy, bond length, and number of bonds between the atoms. For example, we can use data in Tables 8.4 and 8.5 to compare the bond lengths and bond enthalpies of carbon-carbon single, double, and triple bonds ... [Pg.318]

Electron configurations in molecules can also be related to bond distances and bond enthalpies, aao (Section 8.8) As bond order increases, bond distances decrease and bond enthalpies increase. N2, for example, whose bond order is 3, has a short bond distance and a large bond enthalpy. The N2 molecule does not react readily with other substances to form nitrogen compounds. The high bond order of the molecule helps explain its exceptional stability. We should also note, however, that molecules with the same bond orders do not have the same bond distances and bond enthalpies. Bond order is only one factor influencing these properties. Other factors include nuclear charge and extent of orbital overlap. [Pg.383]

Correlate bond order, bond strength (bond enthalpy), bond length, and magnetic properties with molecular orbital descriptions of molecules. (Section 9.8)... [Pg.388]

The strength of a covalent bond is measured in terms of its bond enthalpy. Bond enthalpies can be used to estimate the enthalpy of reactions. [Pg.399]

What is bond enthalpy Bond enthalpies of polyatomic molecules are average values, whereas those of diatomic molecules can be accurately determined. Why ... [Pg.402]

Molecular Structure and Acid Strength The strength of a series of structurally similar acids can be compared using parameters such as bond enthalpy, bond polarity, and oxidation number. [Pg.529]

The bond enthalpy (bond energy) is the amount of energy required to break one mole of a specific covalent bond between two atoms in one mole of gaseous molecules. Measurement of bond enthalpies can be performed using a mass spectrometer (Chapter 2). The concept of bond enthalpy is illustrated in Figure 5.27 using the hydrogen molecule. [Pg.187]


See other pages where Enthalpy bonding is mentioned: [Pg.100]    [Pg.58]    [Pg.1966]    [Pg.603]    [Pg.603]    [Pg.12]    [Pg.367]    [Pg.305]    [Pg.2416]   
See also in sourсe #XX -- [ Pg.49 ]




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Bond enthalpies INDEX

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Bond enthalpies calculation

Bond enthalpies defined

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Bond enthalpies group 14 elements

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Bond enthalpy

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Bond enthalpy definition

Bond enthalpy diatomic molecules

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Bonding enthalpy and

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Carbon bond enthalpy terms

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Covalent bonds enthalpy terms

Covalent bonds standard enthalpy change

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Enthalpy change calculation from bond dissociation

Enthalpy change estimation from bond dissociation energy

Enthalpy change relationship to bond dissociation

Enthalpy change, calculation using bond energies

Enthalpy changes determination using bond enthalpie

Enthalpy hydrogen-bond dependent scales

Enthalpy reaction from bond energies

Enthalpy, of hydrogen bonding

Estimation from bond enthalpies

Fluorine bond enthalpy

From Bond Enthalpies to Heats of Reaction

Group bond enthalpies, 394

Heterolytic bond enthalpies

Homolytic bond cleavage enthalpy

Hydrides bond enthalpies, 394

Hydrogen bond formation enthalpy

Hydrogen bonding enthalpy changes

Hydrogen chloride bond enthalpy

Hydrogen fluoride bond dissociation enthalpy

Hydrogen fluoride bond enthalpy

Hydrogen molecule bond enthalpy

Hydrogen-bond donors enthalpies

Mean bond disruption enthalpy

Mean bond dissociation enthalpy

Mean bond enthalpy

Metal carbides bond enthalpies

Metal carbonyls, bond enthalpies

Metal-carbon bond dissociation enthalpies

Metal-carbon bond enthalpies, calculated

Methane bond enthalpies

Methanol hydrogen-bond enthalpy

Multiple bonds bond enthalpies

Nitrogen bond enthalpy

Nitrogen bond enthalpy terms

Olefin bond-enthalpy

Oxygen bond enthalpy terms

Phenol hydrogen-bond enthalpy

Phosphines bond enthalpies

Phosphorus bond enthalpy terms

Platinum complexes bond enthalpies

Reactions bond enthalpies

Selected bond enthalpy terms

Selenium bond enthalpy terms

Silicon bond enthalpy terms

Silicon-hydrogen bond dissociation enthalpies

Single bonds bond enthalpies

Standard bond enthalpy

Standard homolytic bond dissociation enthalpy

Stepwise and Mean Bond Dissociation Enthalpies

Stepwise bond dissociation enthalpies

Strainless bond enthalpy

Sulfur bond enthalpy terms

Tellurium bond enthalpy terms

Thermodynamics bond enthalpies

Toluene bond dissociation enthalpy

Transferability, bond enthalpies

Transition metal clusters bond enthalpy

Triple bonds bond enthalpies

Using Average Bond Energies to Estimate Enthalpy Changes for Reactions

Using mean bond enthalpies

Water bond dissociation enthalpy

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