The bond energy of the covalent O−H bonds in water is said to be 110.3 kcal/mol (461.5 kJ/mol), the average of these values.
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Water is a polyatomic molecule, the energy required to break the two O - H is different. Thus, the average of the two energies is taken.
PROPERTIES OF ATOMS, RADICALS, AND BONDS. 4.47. TABLE 4.11 Bond Dissociation Energies (Continued). Bond. ΔHf298,. kJ/mol. Bond. ΔHf298,. kJ/mol. Hydrogen ( ...
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Feb 21, 2020 · Bonding energy in water refers to the amount of energy required to break the bonds between hydrogen and oxygen atoms in a water molecule. 2. Why ...
May 12, 2018 · The hydrogen gas bond dissociation energy is large: 436 kJ/mol. In fact, it pretty much sets the record for diatomic molecules joined by a ...
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Q. Assertion: Hydrogen has a lower ionization energy than does helium. Reason: Polar covalent bonds are formed by the hydrogen bonds with halogens.
Jan 9, 2020 · Find the average O-H bond energy in H2O with the help following data: (1) H2O(l)→H2O(g); ΔH=+40.6 kJ/mol (2) 2H(g)→H2(g); ΔH=−435.0 kJ/mol (3) ...
May 16, 2017 · The average bond energy of O-H in H2O is 464 kJ/mol. This is due to the fact that the H-OH bond requires 498.7 kJ/mol to dissociate, ...
Therefore, the bond energy of the covalent O-H bonds in water is reported to be the average of the two values, or 458.9 kJ/mol. These energy values (493 and 424 ...
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Aug 11, 2013 · It means that per mole water splitting requires at least 241.8 kJ of energy. Any method(thermal,electrolysis etc) followed, this much of energy ...