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Calculate the enthalpy change for: C2H4 (g) + H2 (g) ---> C6H6 (l) given the following: C2H4 (g)...

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Chemistry

Calculate the enthalpy change for:
C2H4 (g) + H2 (g) ---> C6H6 (l)

given the following:
C2H4 (g) + 3O2 (g) ---> 2CO2 (g) + 2H2O(l)
deltaH= -845.2kJ

2H2(g) + O2 (g) ---> 2H2O(l)
deltaH= -573.2kJ

2C2H6(l) + 7O2(g) ---> 2CO2 (g) + 6H2O(l)
deltaH= 1.1987.4kJ

Answer & Explanation Solved by verified expert
3.7 Ratings (659 Votes)
NOTE I will assume th product is C2H6 since there is no correc tbalance so for C2H4 g H2 g C2H6 l Use Hess Law    See Answer
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