The law of the conservation of mass must be obeyed in a chemical reaction. what do the atoms do during a reaction that shows they obey the conservation of mass?
a. they change into other atoms.
b. they are formed.
c. they are destroyed.
d. they rearrange.

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.

What is the most stable monatomic ion formed from nitrogen

What is the main reason why some developing countries fear the increase the free trade policies around the world?