The first-order rearrangement of ch3nc is measured to have a rate constant of 3. 61 x 10^-15 s-1 at 298 k and a rate constant of 8. 66 × 10^-7 s^-1 at 425 k. Determine the activation energy for this reaction.

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

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