How do you dispose of an unknown chemical

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

What is the mass of each element in a 324.8 sample of co2

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.