A doctor prescribes 1,000 mg of glucosamine (C6H13NO5) per day for a person with osteoarthritis.

How many moles of glucosamine does the patient take each day?

5.60

0.10

5.59×10−3

1.00×10−3

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

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?

Why is the structure of molecule important to its function?