At STP, which of the following would have the same number of molecules at 1 L of C2H4 gas? Assume that each behaves as an ideal gas. A. 0.5 L of H2 gas
B. 2 L of H2O gas
C. 1 L of Ne gas
D. 3 L of Cl2 gas

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

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:

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.