Bleaching the hair is an example of a redox reduction. Show the reaction and explain the mechanism in terms of pigmentation and electron transfer.

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x.xx ml

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Which statement is best described as a atom