= 400 oC temperature and v = 0.02108 [m3/kg] specific volume of water vapor pressure. a) Using the water vapor tables, b) Calculate using the ideal gas equation of state. Find the error rate. c) Calculate using the generalized compressibility diagram. Error rate Find. d) Can it be considered an ideal gas with water vapor supplied? Explain why.

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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.