PLEASE HELP ME WITH THIS QUESTION magnesium chloride crystallizes as a hydrate, MgCl2. xH20. When 20.3g of the hydrate were heated to a constant mass, 9.5g of the anhydrous salt remained as shown by the equation below. MgCl2.xH20 -> MgCl2 + xH2O, find x​

Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on

What were the success and failures that came to boyle’s excitements?

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?