Compare the spectra produced by incandescent and fluorescent sources. why is there a difference?

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol

Which of the following is true about the products formed during photosynthesis? (5 points) select one: a. they have the same mass as the mass of reactants. b. they are the same set of compounds as the reactants. c. they have more mass than the mass of reactants. d. they are chemically the same as the reactants.

Why must sample spots be above the solvent in paper chromatography