graphical method to determine activation energy of a reaction
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Determining the Activation Energy
Graphically
We can graphically determine the activation energy by manipulating the Arrhenius equation to put it into the form of a straight line. Taking the natural logarithm of both sides gives us:
ln
A slight rearrangement of this equation then gives us a straight line plot (y = mx + b) for ln k versus 1/T, where the slope is –Ea/R:
ln 
Graphically
We can graphically determine the activation energy by manipulating the Arrhenius equation to put it into the form of a straight line. Taking the natural logarithm of both sides gives us:
ln
A slight rearrangement of this equation then gives us a straight line plot (y = mx + b) for ln k versus 1/T, where the slope is –Ea/R:
ln 
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