What is the meaning of this symbol fe2+

Amount of liquid measured in l or lm

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.