Question
Asked Nov 20, 2019
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Predict the enthalpy of reaction from the average bond enthalpies for the following reaction:
 
2C2H6(g) + 7O2(g)

4CO2(g) + 6H2O(g)
 

Bond Enthalpy (kJ/mol)
H―H 436.4
H―O 460
C―H 414
C―C 347
C═C 620
C―O 351
O―O 142
O═O 498.7
C═O 745
C═O
(in carbon
dioxide)
799

______ kJ

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The enthalpy of the reactio...

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