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Tabela de Constantes Físicas: Enthalpias, Constantes, Massas Atômicas e Outros Valores, Notas de estudo de Engenharia Mecânica

Esta tabela apresenta uma série de constantes físicas importantes, incluindo as enthalpias de formação de vários compostos químicos, constantes físicas fundamentais, massas atômicas e outros valores relevantes. Essas informações podem ser úteis para estudos e cálculos relacionados à química, física e outras disciplinas.

Tipologia: Notas de estudo

2012

Compartilhado em 04/09/2012

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//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+01ft/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+04Btu/lbmol
h_CH2# Acetylene enthalpy of formation (25C, 77F) 226730 kJ/
kmol 9.747635E+04Btu/lbmol
r_e# Classical electron radius 2.817939e-15 m 9.245207E-15 ft
gc# Gravitational constant6.6732e-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+04Btu/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 black0 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 mic
rometer-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+10Coulomb/
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+01psia
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+061/ft
Vo# Volume of ideal gas, standard conditions 2.24136e1 m^3/
kmol 3.590314E+02ft^3/lbmol
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//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+01ft/s^ 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+04Btu/lbmol h_CH2# Acetylene enthalpy of formation (25C, 77F) 226730 kJ/ kmol 9.747635E+04Btu/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^ C1# Blackbody radiation constant 1 3.7420e8 W-micrometer^4/ m^2 1.187e8 Btu-micrometer^4/hr-ft^ 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+04Btu/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 black0 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 mic rometer-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+10Coulomb/ 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+01psia 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+061/ft Vo# Volume of ideal gas, standard conditions 2.24136e1 m^3/ kmol 3.590314E+02ft^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^ 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^2433 Btu/ft^2-hr C# Speed of light in a vacuum 2.9979250e8 m/s 9.835712E+08ft/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+03Btu/lb_m Green#the color green 65280 65280 pi# pi 3.14159265359 - 3.14159265359 -