Answer
thus, 4 moles of oxygen gas (O2) would have a mass of 128 g.
Answer:
The answer is B an open system allows energy and mass to move in and out of it
Hope it helps
It became the model for the Chicago income and property tax program. He used this plan to avoid prosecution for the Chicago fire. This contest-winning design opened Chicago streets to new forms of transportation.
Because the reaction occurs between a metal and non metal
CL=2,8,7
C
