3. Find the internal energy of water at the given states for 6 MPa and determine: T,°C U, KJ/Kg Phase Description saturated vapor State 1 State 2 saturated liquid state 3 saturated liquid + saturated vapor 0.95 state 4 500°C state 5 100°C state 6 T = 460°C a- The internal energy b-and the phase descriptions in the following table for water.

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Q: 3-22 Complete this table for H,O: T, °C Р. КРа U, m'/kg Phase description 140 0.035 550 750…

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Q: For H20, determine the specified property at the indicated state. (a) T= 140°C, v= 0.5 m/kg. Find p,…

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Q: Determine the missing properties and the phase descriptions in the following table for water: T, °C…

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Q: For H₂O, determine the specified property at the indicated state. (a) T = 140°C, v=0.5 m³/kg. Find…

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Q: As shown in the figure below, a cylinder fitted with a piston is filled with 700 lb of saturated…

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Q: determine the properties of the saturated liquid at 10 bar. Locate the state on a T-S diagram

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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.