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Calculate the standard enthalpy of forma...

Calculate the standard enthalpy of formation of `CH_3OH(l)` from the following data
i. `CH_3 OH(l) + 3/2 O_2(g) to CO_2(g) + 2H_2O(l), DeltaH^0 = - 726 kJ mol^(-1)`
ii. `C("Graphite") + O_2(g) to CO_2(g), Delta_cH^0 = -393 kJ mol^(-1)`
iii. `H_2(g) + 1/2 O_2(g) to H_2O(l), Delta_fH^0 = 286 kJ mol^(-1)`

Text Solution

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`- 239 kJ mol^(-1)`
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