Moist air exists at 66°C dry bulb temperature and 30 percent degree of saturation. Pressure is 101.325 kPa. Calculate the enthalpy and specific volume.

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Q: METHODS AND MATERIALS TECHNICAL PAPER

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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.