entry[0] = "relative humidity:Atkins:1::E:9a:" ;
entry[1] = "density-MM:::::11a:" ;
entry[2] = "VanderWaals:::::20a:" ;
entry[3] = "Z:::::22a:" ;
entry[4] = "Vc-radius:::::27a:" ;
entry[5] = "drinking straw::::P:2:" ;
entry[6] = "partial pressure:::::10:" ;
entry[7] = "VanderWaals-Virial:::::28:" ;
entry[8] = "Barometric formula:::::35:" ;

entry[9] = "mechanical work::2::E:2a:" ;
entry[10] = "ideal gas expansion:::::6a:" ;
entry[11] = "Cp(T)-DH:::::11a:" ;
entry[12] = "q DU DH ideal cst P:::::19a:" ;
entry[13] = "ideal adiabatic:::::22a:" ;
entry[14] = "vaporization-q-w:::::26a:" ;
entry[15] = "solid-gas expansion::::P:5:" ;
entry[16] = "q w DU DH-path:::::13:" ;
entry[17] = "dH=Vdp adiabatic:::::15:" ;

entry[18] = "DcombH-DfH::2::E:29a:" ;
entry[19] = "DfH-DfU:::::30a:" ;
entry[20] = "Joule Heating:::::31a:" ;
entry[21] = "bomb calorimetry:::::33a:" ;
entry[22] = "DsolnH-DfH(aq):::::34a:" ;
entry[23] = "Hess's Law:::::39a:" ;
entry[24] = "DrH(T):::::43a:" ;
entry[25] = "Cp(T)-DfH::::P:9:" ;
entry[26] = "C60 DfH:::::17:" ;

entry[27] = "exact differentials::3::E:1a:" ;
entry[28] = "2nd derivatives:::::5a:" ;
entry[29] = "derivative relationships:::::6ab:" ;
entry[30] = "Joule-Thomson:::::10a:" ;
entry[31] = "VanderWaals internal P:::::11a:" ;
entry[32] = "isothermal compressibility::::P:1:" ;
entry[33] = "Cp/Cv experiment:::::3:" ;
entry[34] = "Euler Chain:::::9:" ;
entry[35] = "total differentials:::::10:" ;
entry[36] = "Euler chain:::::19:" ;
entry[37] = "JT coefficient-VanderWaals:::::20:" ;

entry[38] = "DS rev isothermal::4::E:1a:" ;
entry[39] = "DS(T) cst V:::::2a:" ;
entry[40] = "DrS:::::15a:" ;
entry[41] = "DrG=DrH-TDrS:::::16a:" ;
entry[42] = "DcombH DS-DfG:::::19a:" ;
entry[43] = "sys surr rev irrev:::::20a:" ;
entry[44] = "Carnot efficiency:::::23a:" ;
entry[45] = "DtrS(T) sys surr::::P:1:" ;
entry[46] = "DS DSsurr DU DH ideal:::::6:" ;
entry[47] = "DS(V) ideal isotherm,adiabatic:::::8:" ;
entry[48] = "DS(T):::::9:" ;
entry[49] = "S-Cp/T:::::19:" ;
entry[50] = "T,S diagram:::::22:" ;
entry[51] = "Legendre Transforms:::::27:" ;

entry[52] = "derivatives of alpha,kappa::5::E:1ab:" ;
entry[53] = "DG(V) isothermal ideal:::::2a:" ;
entry[54] = "chemical potential(P):::::6a:" ;
entry[55] = "eqn of state from G(P):::::12a:" ;
entry[56] = "Maxwell relations::::P:6:" ;
entry[57] = "Maxwell, chain relations:::::8:" ;
entry[58] = "thermo eqn state-VanderWaals:::::10:" ;
entry[59] = "Cv,Cp(V,P):::::13:" ;
entry[60] = "G(P) solid,liquid:::::16:" ;
entry[61] = "DrG(T):::::17:" ;
entry[62] = "dS total differential:::::19:" ;
entry[63] = "HNO3 hydrates:::::25:" ;

entry[64] = "eqn of state from G(P):::::12a:" ;
entry[65] = "eqn of state from G(P):::::12a:" ;