Part 2: Combustion of Ethanol Equation for Enthalpy AH = Haonds 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) (kJ/mole) H-H 436 C=0 799 0-0 495 C-C 348 OH 463 C=C 614 C-H 413 C-C (aromatic) 519 C-O 358 N=0 623 Use the folowing balanced equation and chart to complete the bond energy calculations for the fuel, methane. CHOH+302-2 CO2+3 H2O Compound Total Bond Energy Oxygen, O2 495 kJ/mol Carbon Dioxide, CO2 1598 kl/mol Water, H,O 926 kJ/mol
Part 2: Combustion of Ethanol Equation for Enthalpy AH = Haonds 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) (kJ/mole) H-H 436 C=0 799 0-0 495 C-C 348 OH 463 C=C 614 C-H 413 C-C (aromatic) 519 C-O 358 N=0 623 Use the folowing balanced equation and chart to complete the bond energy calculations for the fuel, methane. CHOH+302-2 CO2+3 H2O Compound Total Bond Energy Oxygen, O2 495 kJ/mol Carbon Dioxide, CO2 1598 kl/mol Water, H,O 926 kJ/mol
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Chapter9: Ionic And Covalent Bonding
Section: Chapter Questions
Problem 9.86QP: A commercial process for preparing ethanol (ethyl alcohol), C2H5OH, consists of passing ethylene...
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The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
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Transcribed Image Text:Part 2: Combustion of Ethanol
Equation for Enthalpy
AH = Haonds broken- Haonds fomed
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
Bond Energy
(kl/mole)
Bond
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=0
623
Use the following balanced equation and chart to complete the bond enery calculations for the fuel, methane.
CH,OH+302-2 CO2-3 H2O
Compound
Total Bond Energy
Oxygen, O2
495 kJ/mol
Carbon Dioxide, CO2
1598 kJ/mol
Water, H,O
926 kJ/mol
Transcribed Image Text:Show What You Know: Fossil Fuel Summative
Use the provided information to caloulate the lotal energy used by the products in the combustion of ethanol
O 2524 kJ/mol
O 5974 kJ/mol
O 4719 kl/mol
6646 kJ/mol
7 8 9
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