The half reaction of an oxidation reduction reaction shows that iron gains electrons. what does this electron gain mean for iron? a. it is neutralizedb. it is oxidized c. it is reduced d. it has dissolvede. it has precipitated me asap, its urgent

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.