How many grams of H2O will be formed when 32.0 g H2 is mixed with 27.0 g of O2 and allowed to react to form water

What is the mass of 0.46 mil of mgcl2

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.

The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as