Chelp me this is science btw but eah

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.

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Word equation for k+ h2o yield koh + h2