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Use the Data table to calculate ∆H for the reaction below:

Use the Data table to calculate ∆H for the reaction below:

Reactions:                                                                            Change in Enthalpy (∆H)

(1)    C (s) + O2 (g) -> CO2(g)                                                     ∆H1 = -393.5 kJ/ mol

(2)    H2 (g) + 1/2 O2 (g) -> H2O (l)                                                ∆H2 = -285.8 kJ/mol

(3)    2C2H6 (g) + 7O2 (g) -> 4 CO2 (g) + 6 H2O (l)                          ∆H3 = -283.0 kJ/mol

Calculate the enthalpy change for the reaction:

2 C (s) + 3 H2 (g) -> C2H6(g)                                                     ∆H = ______________kJ/mol

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