Rayon is a fabric composed of purified cellulose, chemically converted from a natural material into a soluble compound. What is a likely source of material for making rayon?

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.