law of corresponding states

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law of corresponding states

[′lȯ əv ¦kär·ə¦spän·diŋ ′stāts]
(chemistry)
The law that when, for two substances, any two ratios of pressure, temperature, or volume to their respective critical properties are equal, the third ratio must equal the other two.
References in periodicals archive ?
The association of van der Waals with these non-bonded radii is hence unjustified; neither his equation of state nor the principle of corresponding states provides direct evidence for the existence of weakly bound molecules, which are adequately characterised in contemporary spectrometric experiments.
Guggenheim stated [2] in 1945, "The principle of corresponding states may safely be regarded as the most useful by-product of the van der Waals equation of state.
Tang and Toennies [1] noted that the number of publications that mention the name van der Waals in the title, abstract or key words is currently about 2000 per annum; in their vast majority these papers refer not to the worthless equation of state nor even to the separate and worthy principle of corresponding states, but rather to van der Waals forces or molecules for which there is at most only a superficial basis to associate with van der Waals the physicist.

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