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Category: Organic

  • How can enthalpy of formation values be used to calculate reaction enthalpy?

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    by

    Charco
    in ,

    Friday, May 18th, 2007 Think about it this way… the reactants (left hand side) go on to make the products (right hand side) Imagine that this reaction proceeds VIA the elements in their standard states, (according to Hess’s law we can go any way we want providing that we get to the desired products) First…

  • How can I test for an alcohol?

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    by

    Charco
    in

    May 21st, 2007 To detect the presence of the OH group regardless there are several simple tests that can be done, however they all have the disadvantage of interference by water. A small piece of sodium metal can be placed in the alcohol and a steady stream of hydrogen bubbles gives a positive indication. Remember…