5. The blue color in some fireworks occurs when Copper(l) Chloride is heated to about 1500 K and emits blue light of wavelength 4.5 X 10 (2) nm. What is the energy of one photon of light? (trick Ill convert
from nanometers then use both equations)

Why do cells appear different in distilled water than they do in 10% salt water?

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If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?