The oxidation of iron, commonly called rust, is the result of corrosion. In nature, the corrosion process occurs more rapidly in the presence of all BUT ONE of these substances.

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.

Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?

Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5