determine the enthalpy change for the production of ethane and oxygen from carbon dioxide and hydrogen. c2h2 g 3h2(g)=c2h6(g)+2O2(g)?

309.5 kj

787 Kj

-703 Kj

703kJ

1 Answer

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  • david
    Lv 7
    1 month ago

    C2H2  +  3H2  -->  C2H6  +  2 O2

      this is impossible ...  there are NO oxygen atoms on the reactant side so this breaks one of the fundamental laws of chemistry ...  no elements can be reated in a chem reaction.  Atoms ombine, or separate, but they are not created from nothing.

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