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Use this information 1. C( graphite )+O2(g)CO2(g)H=393.5kJ/mol 2. 2C2H6(g)+7O2(g)4CO2(g)+6H2OH=3119.6kJ/mol 3. H2(g)+21O2(g)H2O(l)H=285.8kJ/mol to calculate the enthalpy change for the reaction C2H6(g)2C(graphite)+3H2(g) (A) +70.4kJ (B) 84.6kJ (C)

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Use this information 1. C( graphite )+O2(g)CO2(g)H=393.5kJ/mol 2. 2C2H6(g)+7O2(g)4CO2(g)+6H2OH=3119.6kJ/mol 3. H2(g)+21O2(g)H2O(l)H=285.8kJ/mol to calculate the enthalpy change for the reaction C2H6(g)2C(graphite)+3H2(g) (A) +70.4kJ (B) 84.6kJ (C) +84.6kJ (D) 930.2kJ (E) +1489.4kJ

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