Does anyone know the square root of bts oops i meant 7 hehe

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

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.