Anew element -- quickly named reachium by the scientific community -- is discovered. this element is found to have
two isotopes. 86.4% of all reachium atoms are reachium-328 and 13.6% are reachium-333. what is the atomic mass of
this element?

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion