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Enthalpy of Reaction

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Wize University Chemistry Textbook > Thermodynamics: Part 1: (0th law, 1st law, Calorimetry, Enthalpy)

Average Bond Enthalpy Method

3 Activities

Use the table below to answer the following questions


Estimate the Enthalpy of the following reaction


More Average Bond Enthalpy Method Questions:
Bond Energy
What is the total bond energy for the following molecule?
C - H 413 kJ/mol
C - C 347 kJ/mol
Practice: Bond Energy
Calculate the BDE of N2 from the following reaction:
N2 (g) + 2H2 (g) → N2H4 (g); ∆Hr = +99 kJ / mol
H-H: BDE=436 kJ/mol
Bond Energy: Enthalpy of dissociation
Given the reaction: N2(g) + 3H2(g) → 2NH3(g), what is the bond dissociation energy for the nitrogen to hydrogen (N-H) bond? (bond dissociation energy of N≡N bond = 928 kJ/mol,bond dissociation energy of H-H bond = 436 kJ/mol, and Δ\DeltaHrxn = -92.0 kJ
Bond Energy
What is the total bond energy for this molecule?
C - H 413 kJ/mol
C - O 358 kJ/mol
Bond Energy: Bond enthalpy

Use the table below to answer] the following questions:
Estimate the enthalpy of the following unbalanced reactions:
SO2(g)+C(s)→S(g)+CO2(g)SO_{2(g)}+C_(s)\to S_(g)+CO_{2(g)}
Use the table below to answer the following questions:
When the reaction below was performed the change in enthalpy was measured to be 474 kJ / mol. Estimate the strength of a S-Cl bond.
Use the table below to answer the following questions:
Estimate the enthalpy change of the following reaction:
Bond Energy
Consider the combustion reaction:
CH4 + 2O2 → CO2 + 2H2O
BEs in kJ / mol: C―H = 414, O=O = 498, C=O = 736, O―H = 464