In the plot of Z (compressibility factor) vs P, Z attains a value of unity at a certain pressure. What does this signify?
In the plot of Z (compressibility factor) vs P, Z attains a value of unity at a certain pressure. What does this signify?
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It implies that at this value of pressure attractive and repulsive forces balance each other. Below this pressure attraction dominates and Z < 1. Above this pressure repulsion dominates and Z > 1.
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