Using the two relationships below, aC Pm не =V -T ƏT ÔT ( ƏP ƏP nR +B(T) conforms to, show that the Virial equation of state m d²B(T) P,m =-T dT?

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Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.