Methanol (CH 3 OH) is sometimes used as a fuel in high-performance engines. Using the data in
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Methanol (CH3OH) is sometimes used as a fuel in high-performance engines. Using the data in Table 9.4, compare the standard enthalpy of combustion per gram of methanol with that of gasoline. Gasoline is actually a mixture of compounds, but assume for this problem that gasoline is pure liquid octane (C8H18).
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TABLE 9.4 Standard Enthalpies Several Compounds at 25C Compound NH3(g) NO(g) HO(1) AlO3(s) FeO3(s) CO(g) CHOH(1) C8H18(1) of Formation for AH (kJ/mol) -46 34 -286 -1676 -826 -394 -239 -269
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The combustion reaction for methanol is 2CHOH1 30g 2COg 4HOl Using the standard enthalpies of format...View the full answer
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