Can a 15 year old that's almost 16 can date a 18 year old even if we dated for 2years

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

Calculate the number of moles of ethane in 100 grams

What must be in balance for temperatures to remain constant?