Enthalpy changes

IB Chemistry: Enthalpy changes

This is an excellent practical and well worth doing for several different reasons. It is divided into two parts – in a sense two separate experiments. The first determines directly the enthalpy change for the redox reaction between zinc metal and Cu2+(aq) ions. Because the reaction is not instantaneous students are introduced to the idea of extrapolation of a graph to determine what the temperature rise would have...

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