Acetone, CH3COCH3, is a liquid solvent. The enthalpy change at 25oC and 1 atm for the complete burning of 1 mol of acetone in oxygen to give CO2(g) and H2O(l) is €“1791 kJ. From this and from data given in Table 6.2, calculate the standard enthalpy of formation of acetone.

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TABLE 6.2 Standard Enthalpies of Formation (at 25) Substance or lon Substance or on Substance or lon CaCOa(s, calcite) 1.897 7 2 S(s, monoclinic) 0360 7 5 NH (ag HCHOg)