The enthalpy of combustion of acetylene C2H2 is described by the following thermochemical equation: C,H,(g)+0,(g)→ 2CO,(g)+H,O(1) AH =-1299 kJ/mol Thus, the enthalpy of formation of acetylene is found to be 226.2 kJ/mol, given the following enthalpies of formation for AH°: [CO2(g)] =-393.5 kJ/mol and AHº: [H2O(1)] =-285.8 kJ/mol.
The enthalpy of combustion of acetylene C2H2 is described by the following thermochemical equation: C,H,(g)+0,(g)→ 2CO,(g)+H,O(1) AH =-1299 kJ/mol Thus, the enthalpy of formation of acetylene is found to be 226.2 kJ/mol, given the following enthalpies of formation for AH°: [CO2(g)] =-393.5 kJ/mol and AHº: [H2O(1)] =-285.8 kJ/mol.
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Chapter1: Chemical Foundations
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![The enthalpy of combustion of acetylene C2H2 is described by the following thermochemical
equation:
C,H,(g)+0,(g)→ 2CO,(g)+H,O(1)
AH.
=-1299 kJ/mol
Thus, the enthalpy of formation of acetylene is found to be 226.2 kJ/mol, given the
following enthalpies of formation for AH'f[CO2(g)] =-393.5 kJ/mol and AH°: [H2O(1)]
=-285.8 kJ/mol.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe66c38d-3342-48bb-a083-117d0ac7fb36%2F20fba991-0883-4f65-83eb-75eb45483a69%2F9jrku6i_processed.png&w=3840&q=75)
Transcribed Image Text:The enthalpy of combustion of acetylene C2H2 is described by the following thermochemical
equation:
C,H,(g)+0,(g)→ 2CO,(g)+H,O(1)
AH.
=-1299 kJ/mol
Thus, the enthalpy of formation of acetylene is found to be 226.2 kJ/mol, given the
following enthalpies of formation for AH'f[CO2(g)] =-393.5 kJ/mol and AH°: [H2O(1)]
=-285.8 kJ/mol.
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