What is the mole fraction of NaCl in a mixture containing 7.21 moles
NaCl, 9.37 moles KCI, and 3.42
moles Lici?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

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:

What is the most common reason for matter changing its state?