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Entropy of Vaporization using Trouton's Rule Calculator

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Clausius-Clapeyron Equation
Depression in Freezing Point
Elevation in Boiling Point
Gibb's Phase Rule
Immiscible Liquids
Important Formulas of Clausius-Clapeyron Equation
Important Formulas of Colligative Properties
Osmotic Pressure
Relative Lowering of Vapour Pressure
Van't Hoff Factor
Slope of Coexistence Curve
Latent Heat
✖Temperature is the degree or intensity of heat present in a substance or object.ⓘ Temperature [T]
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✖Entropy is the measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work.ⓘ Entropy of Vaporization using Trouton's Rule [S]
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Entropy of Vaporization using Trouton's Rule

Formula
`"S" = (4.5*"[R]")+("[R]"*ln("T"))`

Example
`"74.35334J/K"=(4.5*"[R]")+("[R]"*ln("85K"))`

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Entropy of Vaporization using Trouton's Rule Solution

STEP 0: Pre-Calculation Summary
Formula Used
Entropy = (4.5*[R])+([R]*ln(Temperature))
S = (4.5*[R])+([R]*ln(T))
This formula uses 1 Constants, 1 Functions, 2 Variables
Constants Used
[R] - Universal gas constant Value Taken As 8.31446261815324
Functions Used
ln - The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function., ln(Number)
Variables Used
Entropy - (Measured in Joule per Kelvin) - Entropy is the measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work.
Temperature - (Measured in Kelvin) - Temperature is the degree or intensity of heat present in a substance or object.
STEP 1: Convert Input(s) to Base Unit
Temperature: 85 Kelvin --> 85 Kelvin No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
S = (4.5*[R])+([R]*ln(T)) --> (4.5*[R])+([R]*ln(85))
Evaluating ... ...
S = 74.3533395792698
STEP 3: Convert Result to Output's Unit
74.3533395792698 Joule per Kelvin --> No Conversion Required
FINAL ANSWER
74.3533395792698 ≈ 74.35334 Joule per Kelvin <-- Entropy
(Calculation completed in 00.004 seconds)
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Created by Prerana Bakli
University of Hawaiʻi at Mānoa (UH Manoa), Hawaii, USA
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Verified by Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
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20 Clausius-Clapeyron Equation Calculators

Specific Latent Heat using Integrated Form of Clausius-Clapeyron Equation
​ Go Specific Latent Heat = (-ln(Final Pressure of System/Initial Pressure of System)*[R])/(((1/Final Temperature)-(1/Initial Temperature))*Molecular Weight)
Enthalpy using Integrated Form of Clausius-Clapeyron Equation
​ Go Change in Enthalpy = (-ln(Final Pressure of System/Initial Pressure of System)*[R])/((1/Final Temperature)-(1/Initial Temperature))
Initial Pressure using Integrated Form of Clausius-Clapeyron Equation
​ Go Initial Pressure of System = Final Pressure of System/(exp(-(Latent Heat*((1/Final Temperature)-(1/Initial Temperature)))/[R]))
Final Pressure using Integrated Form of Clausius-Clapeyron Equation
​ Go Final Pressure of System = (exp(-(Latent Heat*((1/Final Temperature)-(1/Initial Temperature)))/[R]))*Initial Pressure of System
Final Temperature using Integrated Form of Clausius-Clapeyron Equation
​ Go Final Temperature = 1/((-(ln(Final Pressure of System/Initial Pressure of System)*[R])/Latent Heat)+(1/Initial Temperature))
Initial Temperature using Integrated Form of Clausius-Clapeyron Equation
​ Go Initial Temperature = 1/(((ln(Final Pressure of System/Initial Pressure of System)*[R])/Latent Heat)+(1/Final Temperature))
Change in Pressure using Clausius Equation
​ Go Change in Pressure = (Change in Temperature*Molal Heat of Vaporization)/((Molar Volume-Molal Liquid Volume)*Absolute Temperature)
Temperature in Evaporation of Water near Standard Temperature and Pressure
​ Go Temperature = sqrt((Specific Latent Heat*Saturation Vapor Pressure)/(Slope of Co-existence Curve of Water Vapor*[R]))
Ratio of Vapour Pressure using Integrated Form of Clausius-Clapeyron Equation
​ Go Ratio of Vapor Pressure = exp(-(Latent Heat*((1/Final Temperature)-(1/Initial Temperature)))/[R])
Specific Latent Heat of Evaporation of Water near Standard Temperature and Pressure
​ Go Specific Latent Heat = (Slope of Co-existence Curve of Water Vapor*[R]*(Temperature^2))/Saturation Vapor Pressure
Saturation Vapor Pressure near Standard Temperature and Pressure
​ Go Saturation Vapor Pressure = (Slope of Co-existence Curve of Water Vapor*[R]*(Temperature^2))/Specific Latent Heat
Temperature for Transitions
​ Go Temperature = -Latent Heat/((ln(Pressure)-Integration Constant)*[R])
Pressure for Transitions between Gas and Condensed Phase
​ Go Pressure = exp(-Latent Heat/([R]*Temperature))+Integration Constant
August Roche Magnus Formula
​ Go Saturation Vapour Pressure = 6.1094*exp((17.625*Temperature)/(Temperature+243.04))
Entropy of Vaporization using Trouton's Rule
​ Go Entropy = (4.5*[R])+([R]*ln(Temperature))
Boiling Point using Trouton's Rule given Specific Latent Heat
​ Go Boiling Point = (Specific Latent Heat*Molecular Weight)/(10.5*[R])
Specific Latent Heat using Trouton's Rule
​ Go Specific Latent Heat = (Boiling Point*10.5*[R])/Molecular Weight
Boiling Point using Trouton's Rule given Latent Heat
​ Go Boiling Point = Latent Heat/(10.5*[R])
Boiling Point given Enthalpy using Trouton's Rule
​ Go Boiling Point = Enthalpy/(10.5*[R])
Enthalpy of Vaporization using Trouton's Rule
​ Go Enthalpy = Boiling Point*10.5*[R]

22 Important Formulas of Clausius-Clapeyron Equation Calculators

Specific Latent Heat using Integrated Form of Clausius-Clapeyron Equation
​ Go Specific Latent Heat = (-ln(Final Pressure of System/Initial Pressure of System)*[R])/(((1/Final Temperature)-(1/Initial Temperature))*Molecular Weight)
Enthalpy using Integrated Form of Clausius-Clapeyron Equation
​ Go Change in Enthalpy = (-ln(Final Pressure of System/Initial Pressure of System)*[R])/((1/Final Temperature)-(1/Initial Temperature))
Final Pressure using Integrated Form of Clausius-Clapeyron Equation
​ Go Final Pressure of System = (exp(-(Latent Heat*((1/Final Temperature)-(1/Initial Temperature)))/[R]))*Initial Pressure of System
Final Temperature using Integrated Form of Clausius-Clapeyron Equation
​ Go Final Temperature = 1/((-(ln(Final Pressure of System/Initial Pressure of System)*[R])/Latent Heat)+(1/Initial Temperature))
Latent Heat using Integrated Form of Clausius-Clapeyron Equation
​ Go Latent Heat = (-ln(Final Pressure of System/Initial Pressure of System)*[R])/((1/Final Temperature)-(1/Initial Temperature))
Change in Pressure using Clausius Equation
​ Go Change in Pressure = (Change in Temperature*Molal Heat of Vaporization)/((Molar Volume-Molal Liquid Volume)*Absolute Temperature)
Latent Heat of Evaporation of Water near Standard Temperature and Pressure
​ Go Latent Heat = ((Slope of Co-existence Curve of Water Vapor*[R]*(Temperature^2))/Saturation Vapor Pressure)*Molecular Weight
Slope of Coexistence Curve of Water Vapor near Standard Temperature and Pressure
​ Go Slope of Co-existence Curve of Water Vapor = (Specific Latent Heat*Saturation Vapor Pressure)/([R]*(Temperature^2))
Specific Latent Heat of Evaporation of Water near Standard Temperature and Pressure
​ Go Specific Latent Heat = (Slope of Co-existence Curve of Water Vapor*[R]*(Temperature^2))/Saturation Vapor Pressure
Saturation Vapor Pressure near Standard Temperature and Pressure
​ Go Saturation Vapor Pressure = (Slope of Co-existence Curve of Water Vapor*[R]*(Temperature^2))/Specific Latent Heat
Latent Heat of Vaporization for Transitions
​ Go Latent Heat = -(ln(Pressure)-Integration Constant)*[R]*Temperature
Slope of Coexistence Curve given Pressure and Latent Heat
​ Go Slope of Coexistence Curve = (Pressure*Latent Heat)/((Temperature^2)*[R])
August Roche Magnus Formula
​ Go Saturation Vapour Pressure = 6.1094*exp((17.625*Temperature)/(Temperature+243.04))
Entropy of Vaporization using Trouton's Rule
​ Go Entropy = (4.5*[R])+([R]*ln(Temperature))
Slope of Coexistence Curve using Enthalpy
​ Go Slope of Coexistence Curve = Enthalpy Change/(Temperature*Change in Volume)
Boiling Point using Trouton's Rule given Specific Latent Heat
​ Go Boiling Point = (Specific Latent Heat*Molecular Weight)/(10.5*[R])
Specific Latent Heat using Trouton's Rule
​ Go Specific Latent Heat = (Boiling Point*10.5*[R])/Molecular Weight
Slope of Coexistence Curve using Entropy
​ Go Slope of Coexistence Curve = Change in Entropy/Change in Volume
Boiling Point using Trouton's Rule given Latent Heat
​ Go Boiling Point = Latent Heat/(10.5*[R])
Latent Heat using Trouton's Rule
​ Go Latent Heat = Boiling Point*10.5*[R]
Boiling Point given Enthalpy using Trouton's Rule
​ Go Boiling Point = Enthalpy/(10.5*[R])
Enthalpy of Vaporization using Trouton's Rule
​ Go Enthalpy = Boiling Point*10.5*[R]

Entropy of Vaporization using Trouton's Rule Formula

Entropy = (4.5*[R])+([R]*ln(Temperature))
S = (4.5*[R])+([R]*ln(T))

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 Entropy of Vaporization using Trouton's Rule?

Entropy of Vaporization using Trouton's Rule calculator uses Entropy = (4.5*[R])+([R]*ln(Temperature)) to calculate the Entropy, The Entropy of Vaporization using Trouton's Rule is a scientific concept, as well as a measurable physical property that is most commonly associated with a state of disorder, randomness, or uncertainty. Entropy is denoted by S symbol.

How to calculate Entropy of Vaporization using Trouton's Rule using this online calculator? To use this online calculator for Entropy of Vaporization using Trouton's Rule, enter Temperature (T) and hit the calculate button. Here is how the Entropy of Vaporization using Trouton's Rule calculation can be explained with given input values -> 74.35334 = (4.5*[R])+([R]*ln(85)).

FAQ

What is Entropy of Vaporization using Trouton's Rule?
The Entropy of Vaporization using Trouton's Rule is a scientific concept, as well as a measurable physical property that is most commonly associated with a state of disorder, randomness, or uncertainty and is represented as S = (4.5*[R])+([R]*ln(T)) or Entropy = (4.5*[R])+([R]*ln(Temperature)). Temperature is the degree or intensity of heat present in a substance or object.
How to calculate Entropy of Vaporization using Trouton's Rule?
The Entropy of Vaporization using Trouton's Rule is a scientific concept, as well as a measurable physical property that is most commonly associated with a state of disorder, randomness, or uncertainty is calculated using Entropy = (4.5*[R])+([R]*ln(Temperature)). To calculate Entropy of Vaporization using Trouton's Rule, you need Temperature (T). With our tool, you need to enter the respective value for Temperature and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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