The enthalpies of elements in their standard states are taken as zero. The enthalpy of formation of a compound
Example:
Now, from the above example it is clear that enthalpy of a formation of compound can be positive or negative.
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The enthalpies of elements in their standard states are taken as zero. The enthalpy of formation of a compound
Example:
Now, from the above example it is clear that enthalpy of a formation of compound can be positive or negative.