4. Which compound would conduct electricity? a. CH₄(aq)
b. CaCl₂(aq)
c. NaCl(s)
d. O₂(aq)

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

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

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.