5. The standard enthalpy change of three combustion reactions is given below in kJ. 2C2H6(g) + 702(g) → 4CO2(g) + 6H2O(1) AH =-3120 2H2(g) + O2(g) → 2H2O(1) AHO=-572 C2H4(g) + 302(g) → 2CO2(g) + 2H2O(1) AHO=-1411 Based on the above information, calculate the standard change in enthalpy, AHO, for the following reaction. C2H6(g) - C2H4(g) + H2(g)
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5. The standard enthalpy change of three combustion reactions is given below in kJ. 2C2H6(g) + 702(g...
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