Middle school question pls answer, statistics

Write the overall equation for the reaction for lithium battery

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.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?