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23 April, 19:39

What is the standard enthalpy of formation of CO (g). Given: AH. [C] = - 393 kJ mol-1. AH.[CO] = - 283 kJ mol-.

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  1. 23 April, 22:06
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    110 kJ/mol

    Explanation:

    The standard enthalpy of a reaction can be calculated with the equation "H=Hp-Hr", where Hp is the enthalpy of the products and Hr the enthalpy of the reactives, in this casi your product is the CO, so - 283 - (-393) = 110. So the standard enthalpy of this reaction is 110 kJ/mol.
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