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How many kilojoules of energy are released from the carbon carbon single bonds when Glucose (C6H12O6) is burned?

how would i do this?

  • chem -

    Look up the bond energy for C-C bond and multiply by 5.

  • chem -

    okay, but why would i multiply by 5?

  • chem -

    Aren't there C-C bonds? Glucose isn't a linear molecule but if it were, it would be C-C-C-C-C-C so five bonds hold it together. Here is the glucose molecule.
    http://en.wikipedia.org/wiki/Glucose

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