R2.2.13 Calculating activation energy (HL)

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This video covers how to calculate activation energy.
  1. Mike Sugiyama Jones (MSJ Chem)
  2. IB
  3. chemistry
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Комментарии
Автор

my IB chem test is in 3 days and i just wanted to say thank you! ive been using your channel to study chem for the past two years.

LilloK
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I got 44571 J mol^-1 by using the -1.69 and -1.1 values from 1:27. Logically, they shouldn't be different since the slope would be the same. Is there are reason for this? Could you please explain?

baranbirlik
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Do we have to round off the answer of the gradient to calculate Ea? At 2:14, because the answer is different by two joules without rounding in the prior step of finding the gradient. Is it important to round? Would the answer be incorrect if I did it without rounding and got 46, 334.5 Joules? The final answer must be in 3 sig figs so does it matter if I rounded or not?

Emkeys-iv
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great coverage MSJ, but i think u missed a point about differentiating first/2nd order reaction from graph using the 1/2 life method

over
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Thank you mr sugiyama! I got that HL topic 6 test tomorrow no kizzy 😅

boiledoden
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Hi msjchem, i think you missed the units for the rate constant of each reaction order. thank you for all the videos nonetheless :D

chlsey
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