• Concentrated Sodium Hydroxide
• Conductivity Of Sodium Hydroxide
• Sodium Hydroxide Specific Heat Capacity Units

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:
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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.

C_p° = 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
C_p = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.

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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

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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.

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.

• 1 kJ/(kg K) = 1000 J/(kg^oC) = 0.2389 kcal/(kg ^oC) = 0.2389 Btu/(lb_m^oF)
• 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 = c_p m dt (1)

where

q = heat required (kJ)

c_p = 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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Conductivity Of Sodium Hydroxide

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