\n
\n\n
\nUse Bond Energies to Calculate the Heat of Reaction
\n \n
Calculated Heat of Reaction
\n
ΔHrxn = 0 kJ/mol
\n
\n\n
Inputs
\n
\n\n
Bond Energy Data Table
\n
| Bond | Energy (kJ/mol) |
|---|---|
| H-H | 436 |
| O=O | 498 |
| O-H | 463 |
| C-H | 413 |
\n\n
Energy Diagram
\n \n\n
Explanation
\n
To calculate the heat of reaction using bond energies, we sum the energies of all bonds broken in the reactants and subtract the sum of the energies of all bonds formed in the products.
\n
Formula: ΔHrxn = Σ(Bonds Broken) – Σ(Bonds Formed)
\n
\n\n \n\n\n\n\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse bond energies to calculate the heat of reaction\nuse