A saturated solution of NH4Cl was made at 50°C in 100 g of water. if the tempature is raised to 90°C, how much more NH4Cl must be added to make the solution saturated? A. 72g B. 52g C. 124g D. 20g. (no units)​

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: