What is the reaction quotient?
a. it measures the [products] / [reactants]
b. it measures the concentration of the reactants.
c. it measures the concentration of the products.
d. it measures the [reactants] / [products]
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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

Name the element in group 17, period 2. (periodic table)

Name the intersection of plane bpq and plane cpq.