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Brainliesttt asap!me : ) who can read an article and answer some questions about it? ? only answer if you can.. : )

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: