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Calculate the change in the enthalpy of the reaction.

Use the following:
change in enthalpy of combustion for: C4H4=-2341 kJ mol-1
H2=-286 kJ mol-1
C4H8=-2755 kJ mol-1

  • Chemistry -

    Your question isn't clear. I assume one equation is
    C4H4 + O2 ==>CO2 + H2O
    but I don't now what H2 = ?? and C4H8 = ?? mean.

  • Chemistry -

    Umm... the H2 is hydrogen and C4H8 is Carbon 4, Hydrogen 8. If I knew what it meant than I wouldn't be asking for help, would I?!?!?

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