The ∆Hfus for sodium metal is 2.60 kJ/mol, and the ∆Hfus for salt (sodium chloride) is 30.4 kJ/mol. The attractions between particles is stronger in which solid?

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.

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

Answer explain why it is not possible to deduce a complete order of reactivity.