HELP ASAPP! Which of the following is true about the principle of the conservation of mass?
A AThe mass of the products is never equal to the mass of the
reactants
B. The mass of the products is less than the mass of the reactants.
C. The mass of the products is equal to the mass of the reactants
D. The mass of the products is greater than the mass of the
reactants

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: