Use the property tables (the appendices from Moran & Shapiro) to find the stated properties of water/steam for the following conditions (if you think any quantity is undefined, enter the value -1) V phase description (m³ /kg) (bar) (°C) (-) a) 160 saturated liquid compressed liquid saturated liquid saturated liquid/vapour mixture 6 b) 1 saturated vapour superheated vapour compressed liquid saturated liquid saturated liquid/vapour mixture 85 1.481 saturated vapour superheated vapour compressed liquid saturated liquid saturated liquid/vapour mixture 0.9 227.73 saturated vapour superheated vapour

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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.