FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Latent Heat of Evaporation of Water near Standard Temperature and Pressure Formula

GoLatent Heat of Vaporization for Transitions Formula

GoLatent Heat using Integrated Form of Clausius-Clapeyron Equation Formula

Fx Copy

LaTeX Copy

Latent Heat is the heat that increases the specific humidity without a change in temperature. Check FAQs

LH = (\frac{dedT slope \cdot [R] \cdot (T^{2})}{e S}) \cdot MW

LH - Latent Heat?dedT_slope - Slope of Co-existence Curve of Water Vapor?T - Temperature?e_S - Saturation Vapor Pressure?MW - Molecular Weight?[R] - Universal gas constant?

Latent Heat of Evaporation of Water near Standard Temperature and Pressure Example

With values

With units

Only example

Here is how the Latent Heat of Evaporation of Water near Standard Temperature and Pressure equation looks like with Values.

Here is how the Latent Heat of Evaporation of Water near Standard Temperature and Pressure equation looks like with Units.

Here is how the Latent Heat of Evaporation of Water near Standard Temperature and Pressure equation looks like.

25029.9968 = (\frac{25 \cdot 8.3145 \cdot (85^{2})}{7.2}) \cdot 120

25029.9968J = (\frac{25Pa/K \cdot 8.3145 \cdot ({85K}^{2})}{7.2Pa}) \cdot 120g

25029.9968 = (\frac{25 \cdot 8.3145 \cdot (85^{2})}{7.2}) \cdot 120

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Chemistry » Category

Solution and Colligative properties » Category

Clausius Clapeyron Equation » fx Latent Heat of Evaporation of Water near Standard Temperature and Pressure

Latent Heat of Evaporation of Water near Standard Temperature and Pressure Solution

Follow our step by step solution on how to calculate Latent Heat of Evaporation of Water near Standard Temperature and Pressure?

FIRST Step Consider the formula

LH = (\frac{dedT slope \cdot [R] \cdot (T^{2})}{e S}) \cdot MW

Next Step Substitute values of Variables

∴

LH = (\frac{25Pa/K \cdot [R] \cdot ({85K}^{2})}{7.2Pa}) \cdot 120g

Next Step Substitute values of Constants

∴

LH = (\frac{25Pa/K \cdot 8.3145 \cdot ({85K}^{2})}{7.2Pa}) \cdot 120g

Next Step Convert Units

∴

LH = (\frac{25Pa/K \cdot 8.3145 \cdot ({85K}^{2})}{7.2Pa}) \cdot 0.12kg

Next Step Prepare to Evaluate

∴

LH = (\frac{25 \cdot 8.3145 \cdot (85^{2})}{7.2}) \cdot 0.12

Next Step Evaluate

∴

LH = 25029.9968400655J

LAST Step Rounding Answer

∴

LH = 25029.9968J

Latent Heat of Evaporation of Water near Standard Temperature and Pressure Formula Elements

Variables

Constants

Latent Heat

Latent Heat is the heat that increases the specific humidity without a change in temperature.

Symbol: LH

Measurement: EnergyUnit: J

Note: Value can be positive or negative.

Formulas to find Latent Heat

Slope of Co-existence Curve of Water Vapor

Slope of Co-existence Curve of Water Vapor is the slope of the tangent to the coexistence curve at any point (near standard temperature and pressure).

Symbol: dedT_slope

Measurement: Slope of Coexistence CurveUnit: Pa/K

Note: Value can be positive or negative.

Formulas to find Slope of Co-existence Curve of Water Vapor

Temperature

Temperature is the degree or intensity of heat present in a substance or object.

Symbol: T

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature

Saturation Vapor Pressure

The Saturation Vapor Pressure is defined as the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) at a given temperature in a closed system.

Symbol: e_S

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Saturation Vapor Pressure

Molecular Weight

Molecular Weight is the mass of a given molecule.

Symbol: MW

Measurement: WeightUnit: g

Note: Value can be positive or negative.

Formulas to find Molecular Weight

Universal gas constant

Universal gas constant is a fundamental physical constant that appears in the ideal gas law, relating the pressure, volume, and temperature of an ideal gas.

Symbol: [R]

Value: 8.31446261815324

Other Formulas to find Latent Heat

Go Latent Heat of Vaporization for Transitions

LH = - (\ln (P) - c) \cdot [R] \cdot T

Go Latent Heat using Integrated Form of Clausius-Clapeyron Equation

LH = \frac{- \ln (\frac{P f}{P i}) \cdot [R]}{(\frac{1}{T f}) - (\frac{1}{T i})}

Go Latent Heat using Trouton's Rule

LH = bp \cdot 10.5 \cdot [R]

Other formulas in Latent Heat category

Go August Roche Magnus Formula

e s = 6.1094 \cdot \exp (\frac{17.625 \cdot T}{T + 243.04})

Go Boiling Point given Enthalpy using Trouton's Rule

bp = \frac{H}{10.5 \cdot [R]}

Go Boiling Point using Trouton's Rule given Latent Heat

bp = \frac{LH}{10.5 \cdot [R]}

Go Boiling Point using Trouton's Rule given Specific Latent Heat

bp = \frac{L \cdot MW}{10.5 \cdot [R]}

How to Evaluate Latent Heat of Evaporation of Water near Standard Temperature and Pressure?

Latent Heat of Evaporation of Water near Standard Temperature and Pressure evaluator uses Latent Heat = ((Slope of Co-existence Curve of Water Vapor*[R]*(Temperature^2))/Saturation Vapor Pressure)*Molecular Weight to evaluate the Latent Heat, The Latent heat of evaporation of water near standard temperature and pressure is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process. Latent Heat is denoted by LH symbol.

How to evaluate Latent Heat of Evaporation of Water near Standard Temperature and Pressure using this online evaluator? To use this online evaluator for Latent Heat of Evaporation of Water near Standard Temperature and Pressure, enter Slope of Co-existence Curve of Water Vapor (dedT_slope), Temperature (T), Saturation Vapor Pressure (e_S) & Molecular Weight (MW) and hit the calculate button.

FAQs on Latent Heat of Evaporation of Water near Standard Temperature and Pressure

What is the formula to find Latent Heat of Evaporation of Water near Standard Temperature and Pressure?

The formula of Latent Heat of Evaporation of Water near Standard Temperature and Pressure is expressed as Latent Heat = ((Slope of Co-existence Curve of Water Vapor*[R]*(Temperature^2))/Saturation Vapor Pressure)*Molecular Weight. Here is an example- 13015.6 = ((25*[R]*(85^2))/7.2)*0.12.

How to calculate Latent Heat of Evaporation of Water near Standard Temperature and Pressure?

With Slope of Co-existence Curve of Water Vapor (dedT_slope), Temperature (T), Saturation Vapor Pressure (e_S) & Molecular Weight (MW) we can find Latent Heat of Evaporation of Water near Standard Temperature and Pressure using the formula - Latent Heat = ((Slope of Co-existence Curve of Water Vapor*[R]*(Temperature^2))/Saturation Vapor Pressure)*Molecular Weight. This formula also uses Universal gas constant .

What are the other ways to Calculate Latent Heat?

Here are the different ways to Calculate Latent Heat-

Latent Heat=-(ln(Pressure)-Integration Constant)*[R]*Temperature
Latent Heat=(-ln(Final Pressure of System/Initial Pressure of System)*[R])/((1/Final Temperature)-(1/Initial Temperature))
Latent Heat=Boiling Point*10.5*[R]

Can the Latent Heat of Evaporation of Water near Standard Temperature and Pressure be negative?

Yes, the Latent Heat of Evaporation of Water near Standard Temperature and Pressure, measured in Energy can be negative.

Which unit is used to measure Latent Heat of Evaporation of Water near Standard Temperature and Pressure?

Latent Heat of Evaporation of Water near Standard Temperature and Pressure is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Latent Heat of Evaporation of Water near Standard Temperature and Pressure can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Latent Heat of Evaporation of Water near Standard Temperature and Pressure Formula

​GoLatent Heat of Vaporization for Transitions Formula

​GoLatent Heat using Integrated Form of Clausius-Clapeyron Equation Formula

Latent Heat of Evaporation of Water near Standard Temperature and Pressure Example

Latent Heat of Evaporation of Water near Standard Temperature and Pressure Solution

Latent Heat of Evaporation of Water near Standard Temperature and Pressure Formula Elements

Other Formulas to find Latent Heat

Other formulas in Latent Heat category

How to Evaluate Latent Heat of Evaporation of Water near Standard Temperature and Pressure?

FAQs on Latent Heat of Evaporation of Water near Standard Temperature and Pressure

Variable Name

GoLatent Heat of Vaporization for Transitions Formula

GoLatent Heat using Integrated Form of Clausius-Clapeyron Equation Formula