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Sagot :
The heat of reaction for the decomposition of one mole of benzene to acetylene is; 1631 kJ
Determining Heat of Decomposition
The target reaction as given in the task content is;
- C6H6(1) ► 3C2H2(g)
The premise reactions can be modified by multiplying the first and second reactions by 1/2 and -3/2 respectively.
Hence, we have hear of reactions;
- ΔΗ = -2135.5 kJ
- AH= +3766.5 kJ
Hence, the required heat of reaction for the decomposition is; -2135.5 kJ + 3766.5 kJ = 1631 kJ.
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