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    Calculating Delta Hf for CaC2

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    Calcium carbide reacts with water to form acetylene and calcium hydroxide. From the following enthalpy data calculate Delta Hf for CaC2

    DeltaHf H2O=-285.83 kj/mol
    DeltaHf Ca (OH)2=-986.2 kj/mol
    DeltaHfC2H2=226.77 kj/mol

    Please provide a detailed explanation.

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    https://brainmass.com/chemistry/physical-chemistry/calculating-delta-hf-cac2-511970

    Solution Preview

    Generally, the net amount of energy released/absorbed in a chemical reaction can be calculated as such:

    Net energy of reaction (delta H) = Sum of Hf's of products - Sum of Hf's of reactants

    Now we must address the ...

    Solution Summary

    The solution calculates Delta Hf for CaCa2.

    $2.49

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