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Author Question: In general, to calculate the activation energy for an elementary step given the rate constants at ... (Read 71 times)

shivanipalawai@gmail.com

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Question 1

If Ea for a certain biological reaction is 50. kJ/mol, by what factor (how many times) will the rate of this reaction increase when body temperature increases from 37°C (normal) to 40°C (fever)?
◦ 1.15
◦ 1.20
◦ 2.0 × 105

◦ 1.0002
◦ 2.0

Question 2

In general, to calculate the activation energy for an elementary step given the rate constants at two different temperatures, which equation should be used?
◦ ln([A]t/[A]o) = – kt
◦ t1/2 = ln2/k
◦ ln(k1/k2) = Ea/R( (T1– T2)/T1T2)
◦ 1/[A]t = kt + 1/[A]o

◦ Rate = k[A]


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Marked as best answer by shivanipalawai@gmail.com on Nov 5, 2023

GoldenBrown

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shivanipalawai@gmail.com

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Reply 2 on: Nov 5, 2023
:D TYSM


shewald78

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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