Ascientist is studying the effect on human health of bacteria that live in the human intestine. in her study, she found that the bacteria actually the body's immunr response. to develop scientific consensus about her idea, the scientist should

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

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.