Iron(iii) oxide is formed when iron combines with oxygen in the air. how many grams of fe2o3 are formed when 25.9 g of fe reacts completely with oxygen? 4fe(s) + 3o2(g) > 2fe2o3(s)

a.12.0g b. 25.0g c. 37.0g d. 49.0g

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

What happens to isotopes that are unstable?

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3