//Name [tab] Description [tab] SIValue [tab] SIUnits [tab] EngValue [tab], EngUnits h_NH3# Ammonia (gas) enthalpy of formation (25C, 77F) -46190 kJ/kmol -1.985812E+04 Btu/lbmol e# Electron charge 1.6021917e-19 Coulomb 1.6021917e-19 Coulomb NA# Avogadro's constant 6.022169e26 1/kmol 6.022169e26 1/lbmol g# Gravitational acceleration (sea level) 9.807 m/s^2 3.217520E+01 ft/s^2 F# Faraday's constant 9.648670E7 Coulomb/kmol 4.376563E7 Coulomb/lbmol h_C6H6# Benzene (gas) enthalpy of formation (25C, 77F) 82930 kJ/kmol 3.565348E+04 Btu/lbmol h_CH2# Acetylene enthalpy of formation (25C, 77F) 226730 kJ/kmol 9.747635E+04 Btu/lbmol r_e# Classical electron radius 2.817939e-15 m 9.245207E-15 ft gc# Gravitational constant 6.6732e-11 N-m^2/kg^2 3.3224e-11 lb_f-ft^2/lb_m^2 C1# Blackbody radiation constant 1 3.7420e8 W-micrometer^4/m^2 1.187e8 Btu-micrometer^4/hr-ft^2 k# Boltzmann's constant 1.380622e-23 J/K 7.269872E-27 Btu/R h_C2H4# Ethylene enthalpy of formation (25C, 77F) 52280 kJ/kmol 2.247635E+04 Btu/lbmol White# the color white 16777215 16777215 h_C2H5OH_g# Ethanol (gas) enthalpy of formation (25C, 77F) -235310 kJ/kmol -1.011650E+05 Btu/lbmol Black# the color black 0 0 true# true# and false# are used in logic tests 1 1 false# true# and false# are used in logic tests 0 0 Me# Electron rest mass 9.109558e-31 kg 2.008314E-30 lb_m C2# Blackbody radiation constant 2 1.4388e4 micrometer-K 2.5897e4 micrometer-R h_C2H5OH_l# Ethanol (liq) enthalpy of formation (25C, 77F) -277690 kJ/kmol -1.193852E+05 Btu/lbmol e\Me# Electron charge to mass ratio 1.7588028e11 Coulomb/kg 7.977796E+10 Coulomb/lb_m Red# red 255 255 C3# Blackbody radiation constant 3 2897.7 micrometer-K 5215.6 micrometer-R h_CH3OH_g# Methanol (gas) enthalpy of formation (25C, 77F) -200670 kJ/kmol -8.627257E+04 Btu/lbmol h_CH3OH_l# Methanol (liq) enthalpy of formation (25C, 77F) -238660 kJ/kmol -1.026053E+05 Btu/lbmol h_C8H18_g# n-Octane (gas) enthalpy of formation (25C, 77F) -208450 kJ/kmol -8.961737E+04 Btu/lbmol h_C8H18_l# n-Octane (liq) enthalpy of formation (25C, 77F) -249950 kJ/kmol -1.074591E+05 Btu/lbmol Mn# Neutron rest mass 1.674920e-27 kg 3.692567E-27 lb_m Po# Normal atmospheric pressure 101.325 kPa 1.469594E+01 psia h# Planck's constant 6.626196e-34 J-s 6.280421E-37 Btu-s h_C3H6_g# Propylene (gas) enthalpy of formation (25C, 77F) -20410 kJ/kmol -8.774720E+03 Btu/lbmol Mp# Proton rest mass 1.672614e-27 kg 3.687483E-27 lb_m R_inf# Rydberg constant 1.097373e7 1/m 3.344793E+06 1/ft Vo# Volume of ideal gas, standard conditions 2.24136e1 m^3/kmol 3.590314E+02 ft^3/lbmol Blue# the color blue 16711680 16711680 T_zero# T_zero# + C (or F) = K (or R) 273.15 K 459.67 R SndSpeed# speed of sound in dry air at 0 C and 1 atm 331.36 m/s 1089 ft/s sigma# Stefan-Boltzmann constant 5.66961e-8 W/m^2-K^4 1.712065E-09 Btu/hr-ft^2-R^4 R# Gas constant 8.31434 kJ/kmol-K 1.985846 Btu/lbmol-R h_H2O2# Hydrogen peroxide (gas) enthalpy of formation (25C, 77F) -136310 kJ/kmol -5.860275E+04 Btu/lbmol G_sc# Solar constant 1367 W/m^2 433 Btu/ft^2-hr C# Speed of light in a vacuum 2.9979250e8 m/s 9.835712E+08 ft/s U# Unified atomic mass unit 1.660531e-27 kg 3.660845E-27 lb_m Yellow# the color yellow 65535 65535 h_fg_water# Enthalpy of vaporization of water (25C, 77F) 2441.5 kJ/kg 1.049656E+03 Btu/lb_m Green# the color green 65280 65280 pi# pi 3.14159265359 - 3.14159265359 -