Quick Revision - Arrhenius Equation

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Essentials of the equation
Arrhenius plots to calculate the activation energy and the pre-exponential factor
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Please could you run through the new OCR 2017 papers that’re now on the website? Thank you so much!

aaronmitchell
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Can we use Arrhenius to find temperature? Will ocr ask us to do that?

mashx
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For the lnA question at the end, when you substituted 1/T as 3.10 x 10-3 in to the equation without converting it in to Kelvin by 1/T, was that because you used y= mx + c instead of lnk= -Ea/R. 1/t + lnA? :)

Mai-uurq
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Sir I don't understand why we need to plot a graph can't we just use (x1, y1) and (x2, y2) to find the answer?
If we draw a graph how big shall our triangle be?

rmzfbrmz
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does it give you the equations in AQA A level?

celseyread
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Sir, why is Ink against I/T graph is a downward straight line graph?

只有风知道
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I don’t understand why you multiply the gradient by 3.10x10^-3, wouldn’t the gradient be -13500 x 8.314?

georgelagalle