Sodium Hydroxide Specific Heat Capacity



Sodium Hydroxide, also known caustic soda, is an inorganic compound with formula NaOH. The specific gravity of 50% NaOH is 1.5372. Sodium Hydroxide also has a very high freezing temperature and can begin solidifying around 45 degrees F. It is highly soluble in water and readily absorbs moisture and carbon dioxide from the air. Sodium Hydroxide is. NaOH, or sodium hydroxide has a molar mass of 39.9971 grams per mole. This lends to its specific heat capacity of 59.66 Joules per mole per Kelvin. Sodium hydroxide solution Keep people away. AVOID CONTACT WITH LIQUID. Wear rubber overclothing (including gloves). 9.10 Vapor (Gas) Specific Gravity: Not pertinent 9.11 Ratio of Specific Heats of Vapor (Gas): Not pertinent. LIQUID HEAT CAPACITY Temperature (degrees F) British thermal unit per pound-F 77 0.780 9.22. See full list on webbook.nist.gov. Enthalpy change ∆ H = ∆ H n = 51.5 = 0.515kJ Moles sodium hydroxide 0.01 moles Mass of base + acid = Enthalpy change ∆ H in Joules Specific heat capacity x ∆ T = 0.515kJ x 1000 = 24.5238 g 4.2 x 5 Mass/volume of HCl = Total volume – volume of NaOH =24.5238-20.0 = 4.5238 cm3 Graphically ∆ H n can be determined as in the example.

  • Formula: HNaO
  • Molecular weight: 39.9971
  • IUPAC Standard InChI:
    • InChI=1S/Na.H2O/h;1H2/q+1;/p-1
    • Download the identifier in a file.
  • IUPAC Standard InChIKey:HEMHJVSKTPXQMS-UHFFFAOYSA-M
  • CAS Registry Number: 1310-73-2
  • Chemical structure:
    This structure is also available as a 2d Mol fileor as a computed3d SD file
    The 3d structure may be viewed usingJavaorJavascript.
  • Species with the same structure:
  • Information on this page:
  • Other data available:
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Data at NIST subscription sites:

Concentrated Sodium Hydroxide

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Solid Phase Heat Capacity (Shomate Equation)

Go To:Top, References, Notes

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

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.

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Temperature (K)298. - 572.572. - 596.
A419.483786.02304
B-1717.7540.000000
C2953.5730.000000
D-1597.2210.000000
E-6.0468840.000000
F-517.8662-448.8512
G933.0738169.6281
H-425.9312-425.9312
ReferenceChase, 1998Chase, 1998
CommentData last reviewed in December, 1970Data last reviewed in December, 1970
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.59.5264.4364.44-0.00
300.59.6764.8364.450.12
400.64.9482.7166.856.34
500.75.1698.1771.5913.29
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
572.86.02121.675.6226.29

References

Go To:Top, Solid Phase Heat Capacity (Shomate Equation), Notes

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

Chase, 1998
Chase, M.W., Jr.,NIST-JANAF Themochemical Tables, Fourth Edition,J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Notes

Go To:Top, Solid Phase Heat Capacity (Shomate Equation), References

  • Data from NIST Standard Reference Database 69:NIST Chemistry WebBook
  • The National Institute of Standards and Technology (NIST)uses its best efforts to deliver a high quality copy of theDatabase and to verify that the data contained therein havebeen selected on the basis of sound scientific judgment.However, NIST makes no warranties to that effect, and NISTshall not be liable for any damage that may result fromerrors or omissions in the Database.
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Specific heat for some common liquids and fluids - acetone, oil, paraffin, water and many more

The specific heat for some commonly used liquids and fluids is given in the table below.

Sodium Hydroxide Specific Heat Capacity

For conversion of units, use the Specific heat online unit converter.

See also tabulated values of specific heat of gases, food and foodstuff, metals and semimetals, common solids and other common substances as well as values of molar specific heat of common organic substances and inorganic substances.

ProductSpecific Heat
- cp -
(kJ/(kg K))(Btu/(lb oF))
(Kcal/kg oC)
Acetic acid2.0430.49
Acetone2.150.51
Alcohol, ethyl 32oF (ethanol)2.30.548
Alcohol, ethyl 104oF (ethanol)2.720.65
Alcohol, methyl. 40 - 50oF2.470.59
Alcohol, methyl. 60 - 70oF2.510.6
Alcohol, propyl2.370.57
Ammonia, 32oF4.61.1
Ammonia, 104oF4.861.16
Ammonia, 176oF5.41.29
Ammonia, 212oF6.21.48
Ammonia, 238oF6.741.61
Aniline2.180.514
Benzene, 60oF1.80.43
Benzene, 150oF1.920.46
Benzine2.1
Benzol1.80.43
Bismuth, 800oF0.150.0345
Bismuth, 1000oF0.1550.0369
Bismuth, 1400oF0.1650.0393
Bromine0.470.11
n-Butane, 32oF2.30.55
Calcium Chloride3.060.73
Carbon Disulfide0.9920.237
Carbon Tetrachloride0.8660.207
Castor Oil1.80.43
Chloroform1.050.251
Citron Oil1.840.44
Decane2.210.528
Diphenylamine1.930.46
Dodecane2.210.528
Dowtherm1.550.37
Ether2.210.528
Ethyl ether2.220.529
Ethylene glycol2.360.56
Dichlorodifluoromethane R-12 saturated -40oF0.880.211
Dichlorodifluoromethane R-12 saturated 0oF0.910.217
Dichlorodifluoromethane R-12 saturated 120oF1.020.244
Fuel Oil min.1.670.4
Fuel Oil max.2.090.5
Gasoline2.220.53
Glycerine2.430.576
Heptane2.240.535
Hexane2.260.54
Hydrochlor acid3.14
Iodine2.150.51
Kerosene2.010.48
Linseed Oil1.840.44
Light Oil, 60oF1.80.43
Light Oil, 300oF2.30.54
Mercury0.140.03
Methyl alcohol2.51
Milk3.930.94
Naphthalene1.720.41
Nitric acid1.72
Nitro benzole1.520.362
Octane2.150.51
Oil, Castor1.970.47
Oil, Olive1.970.47
Oil, mineral1.670.4
Oil, turpentine1.8
Oil, vegetable1.670.4
Olive oil1.970.47
Paraffin2.130.51
Perchlor ethylene0.905
Petroleum2.130.51
Petroleum ether1.76
Phenol1.430.34
Potassium hydrate3.680.88
Propane, 32oF2.40.576
Propylene2.850.68
Propylene Glycol2.50.60
Sesame oil1.630.39
Sodium, 200oF1.380.33
Sodium, 1000oF1.260.3
Sodium hydrate3.930.94
Soya bean oil1.970.47
Sulfuric acid concentrated1.38
Sulfuric acid1.34
Toluene1.720.41
Trichlor ethylene1.30
Tuluol1.510.36
Turpentine1.720.411
Water, fresh4.191
Water, sea 36oF3.930.938
Xylene1.720.41
  • 1 kJ/(kg K) = 1000 J/(kgoC) = 0.2389 kcal/(kg oC) = 0.2389 Btu/(lbmoF)
  • T(oC) = 5/9[T(oF) - 32]

For conversion of units, use the Specific heat online unit converter.

See also tabulated values of specific heat of Gases, Food and foodstuff, Metals and semimetals, Common solids and other Common substances.

Heating Energy

The energy required to heat a product can be calculated as

q = cp m dt (1)

where

q = heat required (kJ)

cp = specific heat (kJ/kg K, kJ/kg oC)

dt = temperature difference (K, oC)

Example - Required Heat to increase Temperature i Water

10 kg of water is heated from 20 oC to 100 oC - a temperature difference 80 oC (K). The heat required can be calculated as

q = (4.19 kJ/kg K) (10 kg) (80 oC)

= 3352 kJ

Related Topics

  • Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more
  • Thermodynamics - Effects of work, heat and energy on systems

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