thway | Algebra.. Pt Periodic Table - Pta... Scientific Calculator Gravitational Force... Conservation of Mo... Part 1-Combustion of Methane Equation for Enthalpy AH = Honds broken- Hsonds formed The following table is a list of selected bond energies. The bonds present in this table are common bonds for combustion reactions Selected Bond Energies Bond Energy (kI/mole) Bond Bond Energy Bond (kl/mole) H-H 436 C=0 799 0-0 495 C-C 348 O-H 463 C=C 614 C-H 413 C-C (aromatic) 519 C-O 358 N=O 623 Use the following balanced equation and chart to complete the bond energy calculatons for the fue methane. CH+202-CO+2 H20 Compound Total Bond Energy Oxygen, O2 495 kJ/mol Carbon Dioxide, CO, 1598 kJ/mol Water, H,O 926 kl/mol
Formal Charges
Formal charges have an important role in organic chemistry since this concept helps us to know whether an atom in a molecule is neutral/bears a positive or negative charge. Even if some molecules are neutral, the atoms within that molecule need not be neutral atoms.
Polarity Of Water
In simple chemical terms, polarity refers to the separation of charges in a chemical species leading into formation of two polar ends which are positively charged end and negatively charged end. Polarity in any molecule occurs due to the differences in the electronegativities of the bonded atoms. Water, as we all know has two hydrogen atoms bonded to an oxygen atom. As oxygen is more electronegative than hydrogen thus, there exists polarity in the bonds which is why water is known as a polar solvent.
Valence Bond Theory Vbt
Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
![thway | Algebra.
Pt Periodic Table - Pta...
Scientific Calculator
Gravitational Force...
Conservation of Mo...
Part 1-Combustion of Methane
Equation for Enthalpy
AH = Hbonds broken- Hoonds formed
The following table is a list of selected bond energies. The bonds present in this table are common bonds for combustion reactions
Selected Bond Energies
Bond
Bond Energy
Bond
Bond Energy
(kl/mole)
(kI/mole)
H-H
436
C=0
799
0=0
495
C-C
348
O-H
463
C=C
614
C-H
413
C-C (aromatic)
519
C-O
358
N=0
623
Use the following balanced equation and chart to complete the bond energy calculatons for the fuel methane.
CH+202-CO2+2 H20
Compound
Total Bond Energy
Oxygen, O,
495 kJ/mol
Carbon Dioxide, CO,
1598 kl/mol
Water, H,O
926 kJ/mol](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2fafb6f3-9071-475c-8a84-92756fe24c36%2F00ac09b8-0bdb-4ea7-be16-a5e82c9b222d%2Fstd1opo_processed.jpeg&w=3840&q=75)
![Show What You KhoW: FOSSI
Use the introduction and the Lewis Structure below to calculate the bond energy in a mole of methane, CH,
H-C-H
O 1744 kJ/mol
0.826 kJimol
1652 kJ/mol
413 kJ/mol
1 2 3
HI](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2fafb6f3-9071-475c-8a84-92756fe24c36%2F00ac09b8-0bdb-4ea7-be16-a5e82c9b222d%2Fbstmw9d_processed.jpeg&w=3840&q=75)
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Combustion equation of methane is
CH4 + 2 O2 -----> CO2 + 2 H2O
This equation can be written by representing each bond clearly as below
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