Homework Help: College Chemistry

Posted by Elleni on Wednesday, October 27, 2010 at 1:37am.

The rate constant for decomposition of compound X was determined to be 1.0x10^-4 s-1 at 298 K and 1.0x10^-2 at 365 K. The activation energy for reaction is:

I dont know if this is correct 8.314 x 10^-3 x 298x365 divided by 365 - 298 x In 1.0 x10^-2 divided by 1.0-4. This gives a different answer.

What equation is used and all the maths steps as I really need help with this problem.

The answer should be 6.2 x 10^4 J mol -1

Thank you

College Chemistry - DrBob222, Wednesday, October 27, 2010 at 9:44pm
You should use the Arrhenius equation. Substitute the numbers and solve E_a.

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