Air is a pure substance

A glass of iced tea. Is air a pure substance.

Air is mostly a mixture of nitrogen and oxygen with a little argon and even less other contents among them water vapor and carbon dioxyde.

Air is a pure substance. Is air a pure substance. Select one from the following options. Answer a matter can be divided into pure substance and mixture then pure substance can be divided into elements and compounds.

Air is not a pure substance because it is a homogeneous mixture of different substances. Air is a homogeneous mixture because air is a thoroughly. See full answer below.

I was referring to some thermodynamics text books and found that their definitions of a pure substance seem very subjective. Air for example is a mixture of several gases but i. A mixture s composition can vary but a pure substance does not.

For instance air is a homogeneous mixture of nitrogen oxygen water vapor and other gases in trace amounts. The proportion of these gases in air can vary. Similarly salt solution is a homogeneous mixture of salt and water.

Yet the amounts of salt and water can vary from one. Even though it is two different types of atoms it s still all one compound. They re all bonded to one another and so we only have one type of compound.

So to pure compound. Now take the case of air. For instance ayers composed of multiple types of compounds so it would not be a pure compound.

Which is an example of a container filled with a pure substance. A glass of iced tea. A bucket of salt water.

A tire filled with air. A balloon filled with helium. How many different types of molecules are pictured.

Air is mostly a mixture of nitrogen and oxygen with a little argon and even less other contents among them water vapor and carbon dioxyde. Nitrogen oxygen and argon are elements water vapor and carbon dioxyde are compounds. Also why air is a mixture.

Air is considered as a mixture because its a mixture of different gases.