Discover Questions

In one mole of the compound iron(III) oxide,
what fraction of the total number of ions is
the oxygen ion? If a+b+c=4, ab+ac+bc=6, and abc=3, what is 1/a + 1/b + 1/c? White light is directed at difraction grating at angle normal to gratting.starting at norml to grating 0dgre the odr of red,gren,blue wil be? What set of reaction conditions would favor an SN2 reaction of 2-bromo-bromo-3-mehthylbutane? Find all of the actual roots of the polynomial: x^3 - 2x^2 + 5x + 26 = 0?