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.

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils

What are the two main ideas of this passage? museum experts feel that museums must change to attract visitors. museum experts care more about the number of visitors than about history. museums that display artworks and exhibits do not make families welcome. museums like colonial williamsburg make learning about the past fun. museums in the united states are different than in other countries.

Which of the following is s good strategy to use when preparing to take notes in class