What is the density of argon gas (MM = 39.9 g/mol) at 101 kPa
and 0 °C?
- g/L
I don’t know how to do this. Can you please help?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive