ファンデルワールス方程式は、非ゼロボリュームとペア魅力的粒子間力を持っている粒子からなる流体の状態方程式である（例えば、ファンデルワールス力など。）これはファン·デル·ワールスによって導き出された'気体や液体の状態方程式の彼の仕事'のために1910年にノーベル賞を受賞した1873年、インチ方程式は理想気体の法則の変更に基づいており、実際の流体の挙動を近似する、考慮分子およびそれらの間の引力の0以外のサイズを取っている。 ファンデルワールス法 wikiの記事

値を求める	方程式
P
T
n
V

圧力 (P)		atmosphere (standard) atmosphere (technical) bar barye (cgs unit) centimetre of mercury centimetre of water (4 C) foot of mercury (conventional) foot of water (39.2 F) inch of mercury (conventional) inch of water (39.2 F) kilogram-force per square millimetre kip per square inch micron (micrometre) of mercury millimetre of mercury millimetre of water (3.98 C) pascal (SI unit) pieze (mts unit) pound per square foot pound per square inch poundal per square foot short ton per square foot torr
温度 (T)		degree Celsius degree Delisle degree Fahrenheit degree Newton degree Rankine degree Reaumur degree Romer degree Kelvin (SI unit)
体積 (V)		acre-foot acre-inch barrel (Imperial) barrel (petroleum) barrel (U.S. dry) barrel (U.S. fluid) board-foot bucket (Imperial) bushel (Imperial) bushel (U.S. dry heaped) bushel (U.S. dry level) butt, pipe coomb cord (firewood) cord-foot cubic fathom cubic foot cubic inch cubic metre (SI unit) cubic mile cubic yard cup (breakfast) cup (Canadian) cup (metric) cup (U.S. customary) cup (U.S. food nutrition labeling) dash (Imperial) dash (U.S.) dessertspoon (Imperial) drop (Imperial) drop (Imperial) (alt) drop (medical) drop (metric) drop (U.S.) drop (U.S.) (alt) fifth firkin fluid drachm (Imperial) fluid dram (U.S.); U.S. fluidram fluid scruple (Imperial) gallon (beer) gallon (Imperial) gallon (U.S. dry) gallon (U.S. fluid; Wine) gill (Imperial); Noggin gill (U.S.) hogshead (Imperial) hogshead (U.S.) jigger (bartending) kilderkin lambda last litre load minim (Imperial) minim (U.S.) ounce (fluid Imperial) ounce (fluid U.S. customary) ounce (fluid U.S. food nutrition labeling) peck (Imperial) peck (U.S. dry) perch pinch (Imperial) pinch (U.S.) pint (Imperial) pint (U.S. dry) pint (U.S. fluid) pony pottle; quartern quart (Imperial) quart (U.S. dry) quart (U.S. fluid) quarter; pail register ton sack (Imperial); bag sack (U.S.) seam shot strike (Imperial) strike (U.S.) tablespoon (Australian metric) tablespoon (Canadian) tablespoon (Imperial) tablespoon (metric) tablespoon (U.S. customary) tablespoon (U.S. food nutrition labeling) teaspoon (Canadian) teaspoon (Imperial) teaspoon (metric) teaspoon (U.S. customary) teaspoon (U.S. food nutrition labeling) timber foot ton (displacement) ton (freight) ton (water) tun wey (U.S.)
気体定数 (R)	(std) 8.3144621 8.3144621	J/(mol*K)
モル数 (n)
Parameters (gas)	CustomAcetic acidAcetic anhydrideAcetoneAcetonitrileAcetyleneAmmoniaAirArgonBenzeneBromobenzeneButaneCarbon dioxideCarbon disulfideCarbon monoxideCarbon tetrachlorideChlorineChlorobenzeneChloroethaneChloromethaneCyanogenCyclohexaneDiethyl etherDiethyl sulfideDimethyl etherDimethyl sulfideEthaneEthanethiolEthanolEthyl acetateEthylamineFluorobenzeneFluoromethaneFreonGermanium tetrachlorideHeliumHexaneHydrogenHydrogen bromideHydrogen chlorideHydrogen selenideHydrogen sulfideIodobenzeneKryptonMercuryMethaneMethanolNeonNitric oxideNitrogenNitrogen dioxideNitrous oxideOxygenPentanePhosphinePropaneSilaneSilicon tetrafluorideSulfur dioxideTin tetrachlorideTolueneWaterXenon
粒子間の引力の尺度 (a)		J*m3/mol2
粒子のモル排除体積 (b)		m3/mol