The Enthalpy Of Vaporization Of Benzene Is 33.9 At 298

The enthalpy of vaporization of Benzene is 33.9 kJ/mole at 298K. How many liters of C6H6 (g), measured at 298 K and 95.1 mmHg, are formed when 1.54kJ of heat is absorbed by C6H6 (l) at a constant temperature of 298K. Enthalpy, we can find the vaporization enthalpies of phenols at 298.15 K as a difference between sublimation enthalpies at 298.15 K and fusion enthalpies at the melting point. The Questions and Answers of The enthalpy of vaporization (vapH) is zero ata)Boyle temperatureb)critical temperaturec)Inversion temperatured)boiling temperatureCorrect answer is option 'B'. Can you explain this answer? Are solved by group of students and teacher of Chemistry, which is also the largest student community of Chemistry. The enthalpy of vaporization of benzene liquid is 33.9 kJ/mol at 298 K. How many liters of benzene gas, measured at 298 K and 95.1 mmHg, are formed when 1.54 kJ of heat is absorbed by benzene liquid at a constant temperature of 298 K? I think we use the. Chemistry, physics please help.

Online calculator, figures and tables showing heat of vaporization of water, at temperatures from 0 - 370 °C (32 - 700 °F) - SI and Imperial units

The (latent) heat of vaporization (∆H_vap) also known as the enthalpy of vaporization or evaporation, is the amount of energy (enthalpy) that must be added to a liquid substance, totransform a given quantity of the substance into a gas.

The enthalpy of vaporization is a function of the pressure at which that transformation takes place. The heat of vaporization diminishes with increasing temperature and it vanishes completely at a certain point called the critical temperature (Critical temperature for water: 373.946 °C or 705.103 °F, Critical pressure: 220.6 bar = 22.06 MPa = 3200 psi ).

Online Water Heat of Vaporization Calculator

The calculator below can be used to calculate the liquid water heat of vaporization at vapor pressure at given temperatures.
The output heat is given as kJ/mol, kJ/kg, kWh/kg, cal/g, Btu(IT)/mol and Btu(IT)/lb_m.

Note! Temperature must be within the ranges 0-370 °C, 32-700 °F, 273-645 K and 492-1160 °R to get valid values.

For vapor pressure - check tables below.

See Water and Heavy Water - for thermodynamic properties.
See also Water Boiling points at high pressure, Boiling points at vacuum pressure, Density, specific weight and thermal expansion coefficient, Dynamic and kinematic viscosity, Enthalpy and entropy, Ionization Constant, pK_w, of normal and heavy water, Melting points at high pressure, Saturation pressure, Specific gravity, Specific heat (heat capacity) and Specific volume for online calculatores, and similar figures and tables as shown below.

Heat of vaporization for liquid water at saturation pressure at temperatures from 0 to 374 °C:

Heat of vaporization for liquid water at saturation pressure at temperatures from 0 to 705 °F:

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Tag Search

• en: water temperature heat vaporization

• Formula: C₆H₆
• Molecular weight: 78.1118
• IUPAC Standard InChI:
  

  InChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H Download the identifier in a file.

• IUPAC Standard InChIKey:UHOVQNZJYSORNB-UHFFFAOYSA-N
• CAS Registry Number: 71-43-2
• Chemical structure:
  This structure is also available as a 2d Mol fileor as a computed3d SD file
  The 3d structure may be viewed usingJavaorJavascript.
• Isotopologues:
• Other names:[6]Annulene;Benzol;Benzole;Coal naphtha;Cyclohexatriene;Phenyl hydride;Pyrobenzol;Pyrobenzole;Benzolene;Bicarburet of hydrogen;Carbon oil;Mineral naphtha;Motor benzol;Benzeen;Benzen;Benzin;Benzine;Benzolo;Fenzen;NCI-C55276;Phene;Rcra waste number U019;UN 1114;NSC 67315;1,3,5-Cyclohexatriene
• Permanent link for this species. Use this link for bookmarking this speciesfor future reference.
• Information on this page:
• Other data available:
  • Reaction thermochemistry data:reactions 1 to 50,reactions 51 to 99
• Data at other public NIST sites:
• Options:

Data at NIST subscription sites:

The Enthalpy Of Vaporization Of Benzene Is 33.9 At 298 Feet

NIST subscription sites provide data under theNIST Standard ReferenceData Program, but require an annual fee to access.The purpose of the fee is to recover costs associatedwith the development of data collections included insuch sites. Your institution may already be a subscriber.Follow the links above to find out more about the datain these sites and their terms of usage.

Phase change data

Go To:Top, References, Notes

Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
BS - Robert L. Brown and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of vaporization

Δ_vapH = A exp(-αT_r) (1 − T_r)^β
Δ_vapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
T_r = reduced temperature (T / T_c)

View plotRequires a JavaScript / HTML 5 canvas capable browser. Canon selphy cp900 setup.

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)

View plotRequires a JavaScript / HTML 5 canvas capable browser.

Enthalpy of sublimation

Enthalpy of fusion

Entropy of fusion

In addition to the Thermodynamics Research Center(TRC) data available from this site, much more physicaland chemical property data is available from thefollowing TRC products:

References

Go To:Top, Phase change data, Notes

Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved.

Kruif, 1980
Kruif, C.G.,Enthalpies of sublimation and vapour pressures of 11 polycyclic hydrocarbons,J. Chem. Thermodyn., 1980, 12, 243-248. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Lubomska, Banas, et al., 2002
Lubomska, Monika; Banas, Agnieszka; Malanowski, Stanislaw K.,Vapor-Liquid Equilibrium in Binary Systems Formed by Allyl Alcohol with Benzene and with Cyclohexane,J. Chem. Eng. Data, 2002, 47, 6, 1466-1471, https://doi.org/10.1021/je025540l. [all data]

Liu and Dickhut, 1994
Liu, Kewen; Dickhut, Rebecca M.,Saturation vapor pressures and thermodynamic properties of benzene and selected chlorinated benzenes at environmental temperatures,Chemosphere, 1994, 29, 3, 581-589, https://doi.org/10.1016/0045-6535(94)90445-6. [all data]

Ambrose, Ewing, et al., 1990
Ambrose, D.; Ewing, M.B.; Ghiassee, N.B.; Sanchez Ochoa, J.C.,The ebulliometric method of vapour-pressure measurement: vapour pressures of benzene, hexafluorobenzene, and naphthalene,The Journal of Chemical Thermodynamics, 1990, 22, 6, 589-605, https://doi.org/10.1016/0021-9614(90)90151-F. [all data]

Dong, Lin, et al., 1988
Dong, Jin-Quan; Lin, Rui-Sen; Yen, Wen-Hsing,Heats of vaporization and gaseous molar heat capacities of ethanol and the binary mixture of ethanol and benzene,Can. J. Chem., 1988, 66, 4, 783-790, https://doi.org/10.1139/v88-136. [all data]

• Compressed Water Properties - Specific volume, enthalpy and entropy of compressed water
• Diffusion Coefficients Gases in Water - Diffusion flux [kg/m²s] tells how fast a substanse solved in another substance flows due to concentration gradients. Diffusion constants [m²/s] are given for several gases in water
• Ice / Water - Melting Points at Higher Pressure - Online calculator, figures and tables showing melting points of ice to water at pressures ranging from 0 to 29000 psia (0 to 2000 bara). Temperature given as °C, °F, K and °R.
• Liquid Water - Properties at various Temperature and Pressure - Liquid water properties at temperatures between melting point and boiling point and pressures of 14.7 psia, 1000 psia and 10000 psia (1 atm, 68.1atm and 681 atm)
• Properties of Seawater - Seawater - density, saturation pressure, specific heat, electrical conductivity and absolute viscosity
• Supercooled Water - Vapor Pressure - Undercooled water and vapor pressure
• Water - Density, Specific Weight and Thermal Expansion Coefficient - Definitions, online calculator, figures and tables giving Density, Specific Weight and Thermal Expansion Coefficient of liquid water at temperatures ranging from 0 to 360 °C and 32 to 680°F - in Imperial and SI Units
• Water - Dynamic and Kinematic Viscosity - Online calculator, figures and tables showing viscosity of water at temperatures ranging from 0 to 360 °C (32 to 675 °F) - Imperial and SI Units
• Water - Enthalpy (H) and Entropy (S) - Figures and tables showing the enthalpy and entropy of liquid water as function of temperature - SI and Imperial Units
• Water - Properties at Gas-Liquid Equilibrium Conditions - Figures and tables showing how the properties of water changes along the boiling/condensation curve (vapor pressure, density, viscosity, thermal conductivity, specific heat, Prandtl number, thermal diffusivity, entropy and enthalpy).
• Water - Saturation Pressure - Online calculator, figures and tables showing water saturation (vapor) pressure at temperatures ranging from 0 to 370 °C and from 32 to 700°F - in Imperial and SI Units
• Water - Specific Gravity - Figures and tables showing specific gravity of liquid water in the range of 32 to 700 °F or 0 to 370°C, using water density at four different temperatures as reference
• Water - Specific Heat - Online calculator, figures and tables showing specific heat of liquid water at constant volume or constant pressure at temperatures from 0 to 360 °C (32-700 °F) - SI and Imperial units
• Water - Specific Volume - Online calculator, figures and tables showing Specific Volume of water at temperatures ranging from 0-370 °C and 32 - 700 °F - Imperial and IS Units
• Water - Thermal Conductivity - Figures and tables showing thermal conductivity of water (liquid and gas phase) with varying temperature and pressure, SI and Imperial units
• Water - Thermal Diffusivity - Figures and tables showing thermal diffusivity of liquid and gaseous water at varying temperarure and pressure, SI and Imperial units
• Water - Thermophysical Properties - Thermal properties of water - density, freezing temperature, boiling temperature, latent heat of melting, latent heat of evaporation, critical temperature and more

Tag Search

• en: water temperature heat vaporization

• Formula: C₆H₆
• Molecular weight: 78.1118
• IUPAC Standard InChI:
  

  InChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H Download the identifier in a file.

• IUPAC Standard InChIKey:UHOVQNZJYSORNB-UHFFFAOYSA-N
• CAS Registry Number: 71-43-2
• Chemical structure:
  This structure is also available as a 2d Mol fileor as a computed3d SD file
  The 3d structure may be viewed usingJavaorJavascript.
• Isotopologues:
• Other names:[6]Annulene;Benzol;Benzole;Coal naphtha;Cyclohexatriene;Phenyl hydride;Pyrobenzol;Pyrobenzole;Benzolene;Bicarburet of hydrogen;Carbon oil;Mineral naphtha;Motor benzol;Benzeen;Benzen;Benzin;Benzine;Benzolo;Fenzen;NCI-C55276;Phene;Rcra waste number U019;UN 1114;NSC 67315;1,3,5-Cyclohexatriene
• Permanent link for this species. Use this link for bookmarking this speciesfor future reference.
• Information on this page:
• Other data available:
  • Reaction thermochemistry data:reactions 1 to 50,reactions 51 to 99
• Data at other public NIST sites:
• Options:

Data at NIST subscription sites:

The Enthalpy Of Vaporization Of Benzene Is 33.9 At 298 Feet

NIST subscription sites provide data under theNIST Standard ReferenceData Program, but require an annual fee to access.The purpose of the fee is to recover costs associatedwith the development of data collections included insuch sites. Your institution may already be a subscriber.Follow the links above to find out more about the datain these sites and their terms of usage.

Phase change data

Go To:Top, References, Notes

Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
BS - Robert L. Brown and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of vaporization

Δ_vapH = A exp(-αT_r) (1 − T_r)^β
Δ_vapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
T_r = reduced temperature (T / T_c)

View plotRequires a JavaScript / HTML 5 canvas capable browser. Canon selphy cp900 setup.

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)

View plotRequires a JavaScript / HTML 5 canvas capable browser.

Enthalpy of sublimation

Enthalpy of fusion

Entropy of fusion

In addition to the Thermodynamics Research Center(TRC) data available from this site, much more physicaland chemical property data is available from thefollowing TRC products:

References

Go To:Top, Phase change data, Notes

Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved.

Kruif, 1980
Kruif, C.G.,Enthalpies of sublimation and vapour pressures of 11 polycyclic hydrocarbons,J. Chem. Thermodyn., 1980, 12, 243-248. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Lubomska, Banas, et al., 2002
Lubomska, Monika; Banas, Agnieszka; Malanowski, Stanislaw K.,Vapor-Liquid Equilibrium in Binary Systems Formed by Allyl Alcohol with Benzene and with Cyclohexane,J. Chem. Eng. Data, 2002, 47, 6, 1466-1471, https://doi.org/10.1021/je025540l. [all data]

Liu and Dickhut, 1994
Liu, Kewen; Dickhut, Rebecca M.,Saturation vapor pressures and thermodynamic properties of benzene and selected chlorinated benzenes at environmental temperatures,Chemosphere, 1994, 29, 3, 581-589, https://doi.org/10.1016/0045-6535(94)90445-6. [all data]

Ambrose, Ewing, et al., 1990
Ambrose, D.; Ewing, M.B.; Ghiassee, N.B.; Sanchez Ochoa, J.C.,The ebulliometric method of vapour-pressure measurement: vapour pressures of benzene, hexafluorobenzene, and naphthalene,The Journal of Chemical Thermodynamics, 1990, 22, 6, 589-605, https://doi.org/10.1016/0021-9614(90)90151-F. [all data]

Dong, Lin, et al., 1988
Dong, Jin-Quan; Lin, Rui-Sen; Yen, Wen-Hsing,Heats of vaporization and gaseous molar heat capacities of ethanol and the binary mixture of ethanol and benzene,Can. J. Chem., 1988, 66, 4, 783-790, https://doi.org/10.1139/v88-136. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2. [all data]

Natarajan, 1983
Natarajan, G.,High-temperature calorimeter for the measurement of vapor pressure and enthalpy of vaporization,Rev. Sci. Instrum., 1983, 54, 9, 1175, https://doi.org/10.1063/1.1137545. [all data]

Tsonopoulos and Wilson, 1983
Tsonopoulos, Constantine; Wilson, G.M.,High-temperature mutual solubilities of hydrocarbons and water. Part I: Benzene, cyclohexane andn-hexane,AIChE J., 1983, 29, 6, 990-999, https://doi.org/10.1002/aic.690290618. [all data]

Rao and Viswanath, 1977
Rao, Yaddanapudi J.; Viswanath, Dabir S.,Integral isobaric heats of vaporization of benzene-chloroethane systems,J. Chem. Eng. Data, 1977, 22, 1, 36-38, https://doi.org/10.1021/je60072a011. [all data]

Svoboda, Veselý, et al., 1973
Svoboda, V.; Veselý, F.; Holub, R.; Pick, J.,Enthalpy data of liquids. II. The dependence of heats of vaporization of methanol, propanol, butanol, cyclohexane, cyclohexene, and benzene on temperature,Collect. Czech. Chem. Commun., 1973, 38, 12, 3539-3543, https://doi.org/10.1135/cccc19733539. [all data]

Mita, Imai, et al., 1971
Mita, Itaru; Imai, Isao; Kambe, Hirotaro,Determination of heat of mixing and heat of vaporization with a differential scanning calorimeter,Thermochimica Acta, 1971, 2, 4, 337-344, https://doi.org/10.1016/0040-6031(71)85035-9. [all data]

Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D.,Vapor pressures and boiling points of sixty API-NBS hydrocarbons,J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050. [all data]

Yarym-Agaev, Fedos'ev, et al., 1949
Yarym-Agaev, N.L.; Fedos'ev, N.N.; Skorikov, K.G.,Zh. Fiz. Khim., 1949, 11, 1257. [all data]

Thomson, 1946
Thomson, George Wm.,The Antoine Equation for Vapor-pressure Data.,Chem. Rev., 1946, 38, 1, 1-39, https://doi.org/10.1021/cr60119a001. [all data]

Scott and Brickwedde, 1945
Scott, R.B.; Brickwedde, F.G.,Thermodynamic properties of solid and liquid ethylbenzene from 0 to 300 degrees K,J. RES. NATL. BUR. STAN., 1945, 35, 6, 501-17, https://doi.org/10.6028/jres.035.024. [all data]

Willingham, Taylor, et al., 1945
Willingham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D.,Vapor pressures and boiling points of some paraffin, alkylcyclopentane, alkylcyclohexane, and alkylbenzene hydrocarbons,J. RES. NATL. BUR. STAN., 1945, 35, 3, 219-17, https://doi.org/10.6028/jres.035.009. [all data]

Smith, 1941
Smith, E.R.,Boiling points of benzene, 2,2,3-trimethylbutane, 3-ethylpentane, and 2,2,4,4-tetramethylpentane within the range 100 to 1,500 millimeters of mercury,J. RES. NATL. BUR. STAN., 1941, 26, 2, 129-17, https://doi.org/10.6028/jres.026.004. [all data]

Stuckey and Saylor, 1940
Stuckey, James M.; Saylor, John H.,The Vapor Pressures of Some Organic Compounds. I. ¹,J. Am. Chem. Soc., 1940, 62, 11, 2922-2925, https://doi.org/10.1021/ja01868a011. [all data]

Eon, Pommier, et al., 1971
Eon, C.; Pommier, C.; Guiochon, G.,Vapor pressures and second virial coefficients of some five-membered heterocyclic derivatives,J. Chem. Eng. Data, 1971, 16, 4, 408-410, https://doi.org/10.1021/je60051a008. [all data]

Deshpande and Pandya, 1967
Deshpande, D.D.; Pandya, M.V.,Thermodynamics of Binary Solutions. Part 2. Vapour Pressures and Excess Free Energies of Aniline Solutions,Trans. Faraday Soc., 1967, 63, 2149-2157, https://doi.org/10.1039/tf9676302149. [all data]

Kalafati, Rasskazov, et al., 1967
Kalafati, D.D.; Rasskazov, D.S.; Petrov, E.K.,Experimental Determination of a Dependence of a Saturated Vapor Pressure of Benzene on Temperature,Zh. Fiz. Khim., 1967, 41, 1357-1359. [all data]

Williamham, Taylor, et al., 1945
Williamham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D.,Vapor Pressures and Boiling Points of Some Paraffin, Alkylcyclopentane, Alkylcyclohexane, and Alkylbenzene Hydrocarbons,J. Res. Natl. Bur. Stand. (U.S.), 1945, 35, 3, 219-244, https://doi.org/10.6028/jres.035.009. [all data]

Ha, Morrison, et al., 1976
Ha, H.; Morrison, J.A.; Richards, E.L.,Vapour pressures of solid benzene, cyclohexane and their mixtures,J. Chem. Soc., Faraday Trans. 1, 1976, 72, 0, 1051, https://doi.org/10.1039/f19767201051. [all data]

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Hessler, W.,Wiss. Zeitschr. Wilhelm-Pieck-Univ. Rostock, Naturwiss. Reihe, 1984, 33, 9. [all data]

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De Kruif, C.G.; Van Ginkel, C.H.D.,Torsion-weighing effusion vapour-pressure measurements on organic compounds,The Journal of Chemical Thermodynamics, 1977, 9, 8, 725-730, https://doi.org/10.1016/0021-9614(77)90015-5. [all data]

Jackowski, 1974
Jackowski, A.W.,Vapour pressures of solid benzene and of solid cyclohexane,The Journal of Chemical Thermodynamics, 1974, 6, 1, 49-52, https://doi.org/10.1016/0021-9614(74)90205-5. [all data]

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The Enthalpy Of Vaporization Of Benzene Is 33.9 At 298 Pounds

Maass and Walbauer, 1925
Maass, O.; Walbauer, L.J.,The specific heats and latent heats of fusion of ice and of several organic compounds,J. Am. Chem. Soc., 1925, 47, 1-9. [all data]

Notes

The Enthalpy Of Vaporization Of Benzene Is 33.9 At 298 Inches

Go To:Top, Phase change data, References

The Enthalpy Of Vaporization Of Benzene Is 33.9 At 298 Divided

• Symbols used in this document:
  

  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  Vc	Critical volume
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

• Data from NIST Standard Reference Database 69:NIST Chemistry WebBook
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