at a point upstream of the throat in a converging-diverging nozzle the velocity temperature and pressure are 192 m/s , 41C°,282 kpa , respectively if the nozzle is operating at its design condition and has an exit area of 0.03 m^2 and discharge to the atmosphere with a pressure of 110 kpa determine the mass flow rate and the the nozzle throat area

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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.