What is the study of the spectra produced from the emission and absorption of electromagnetic radiation? study of absorption spectrums study of emission spectrum nanotechnology spectroscopy

1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl).    you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: •what is the balanced equation for this reaction? •if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •how many grams of aluminum hydroxide will actually be made?     which reagent is limiting? explain your answer.

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat