Before mendeleev, newland observed a distinct pattern in the elements and proposed the law of octaves. what were his conclusions?

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.

What is the chemical name of the compound ti2o3?