Specific Latent Heat using Trouton's Rule Solution

STEP 0: Pre-Calculation Summary
Formula Used
Specific Latent Heat = (Boiling Point*10.5*[R])/Molecular Weight
Lspecific = (bp*10.5*[R])/MW
This formula uses 1 Constants, 3 Variables
Constants Used
[R] - Universal gas constant Value Taken As 8.31446261815324 Joule / Kelvin * Mole
Variables Used
Specific Latent Heat - (Measured in Joule per Kilogram) - The Specific Latent Heat is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process.
Boiling Point - (Measured in Kelvin) - Boiling Point is the temperature at which a liquid starts to boil and transforms to vapor.
Molecular Weight - (Measured in Kilogram) - Molecular Weight is the mass of a given molecule.
STEP 1: Convert Input(s) to Base Unit
Boiling Point: 373 Kelvin --> 373 Kelvin No Conversion Required
Molecular Weight: 1.2 Kilogram --> 1.2 Kilogram No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Lspecific = (bp*10.5*[R])/MW --> (373*10.5*[R])/1.2
Evaluating ... ...
Lspecific = 27136.3273699976
STEP 3: Convert Result to Output's Unit
27136.3273699976 Joule per Kilogram --> No Conversion Required
FINAL ANSWER
27136.3273699976 Joule per Kilogram <-- Specific Latent Heat
(Calculation completed in 00.000 seconds)

Credits

Created by Prerana Bakli
National Institute of Technology (NIT), Meghalaya
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National Institute of Information Technology (NIIT), Neemrana
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Specific Latent Heat using Trouton's Rule Formula

Specific Latent Heat = (Boiling Point*10.5*[R])/Molecular Weight
Lspecific = (bp*10.5*[R])/MW

What does Trouton's Rule state?

Trouton’s rule states that the entropy of vaporization is almost the same value, about 85–88 J K−1 mol−1, for various kinds of liquids at their boiling points. The entropy of vaporization is defined as the ratio between the enthalpy of vaporization and the boiling temperature. It is named after Frederick Thomas Trouton.

How to Calculate Specific Latent Heat using Trouton's Rule?

Specific Latent Heat using Trouton's Rule calculator uses Specific Latent Heat = (Boiling Point*10.5*[R])/Molecular Weight to calculate the Specific Latent Heat, The Specific Latent Heat using Trouton's Rule formula expresses the amount of energy in the form of heat required to completely effect a phase change of a unit of mass. Specific Latent Heat is denoted by Lspecific symbol.

How to calculate Specific Latent Heat using Trouton's Rule using this online calculator? To use this online calculator for Specific Latent Heat using Trouton's Rule, enter Boiling Point (bp) & Molecular Weight (MW) and hit the calculate button. Here is how the Specific Latent Heat using Trouton's Rule calculation can be explained with given input values -> 27136.33 = (373*10.5*[R])/1.2.

FAQ

What is Specific Latent Heat using Trouton's Rule?
The Specific Latent Heat using Trouton's Rule formula expresses the amount of energy in the form of heat required to completely effect a phase change of a unit of mass and is represented as Lspecific = (bp*10.5*[R])/MW or Specific Latent Heat = (Boiling Point*10.5*[R])/Molecular Weight. Boiling Point is the temperature at which a liquid starts to boil and transforms to vapor & Molecular Weight is the mass of a given molecule.
How to calculate Specific Latent Heat using Trouton's Rule?
The Specific Latent Heat using Trouton's Rule formula expresses the amount of energy in the form of heat required to completely effect a phase change of a unit of mass is calculated using Specific Latent Heat = (Boiling Point*10.5*[R])/Molecular Weight. To calculate Specific Latent Heat using Trouton's Rule, you need Boiling Point (bp) & Molecular Weight (MW). With our tool, you need to enter the respective value for Boiling Point & Molecular Weight and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Specific Latent Heat?
In this formula, Specific Latent Heat uses Boiling Point & Molecular Weight. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Specific Latent Heat = (Slope of coexistence curve of Water Vapor*[R]*(Temperature^2))/Saturation Vapor Pressure
  • Specific Latent Heat = (-ln(Final Pressure of System/Initial Pressure of System)*[R])/(((1/Final Temperature)-(1/Initial Temperature))*Molecular Weight)
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