Determine the specific volume of water at 10MPa and 400°C, using: a) the ideal gas equation, b) the generalized compressibility chart and c) the steam tables. d) Determine, for question "c" the behavior of water for the temperature range of 35°C to 600°C, in intervals of 25°C, keeping the pressure constant. Draw the graph and present an analysi

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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.