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Volume free energy Formula

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Volume free energy is the free energy difference between the solid and liquid phases. Check FAQs

𝚫G v = ΔH f \cdot \frac{ΔT}{T m}

𝚫G_v - Volume free energy?ΔH_f - Latent Heat of Fusion?ΔT - Undercooling value?T_m - Melting temperature?

Volume free energy Example

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Here is how the Volume free energy equation looks like with Values.

Here is how the Volume free energy equation looks like with Units.

Here is how the Volume free energy equation looks like.

1.2E+8 = 1.2E+9 \cdot \frac{100}{1000}

1.2E+8J/m³ = 1.2E+9J/m³ \cdot \frac{100}{1000}

1.2E+8 = 1.2E+9 \cdot \frac{100}{1000}

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Volume free energy Solution

Follow our step by step solution on how to calculate Volume free energy?

FIRST Step Consider the formula

𝚫G v = ΔH f \cdot \frac{ΔT}{T m}

Next Step Substitute values of Variables

∴

𝚫G v = 1.2E+9J/m³ \cdot \frac{100}{1000}

Next Step Prepare to Evaluate

∴

𝚫G v = 1.2E+9 \cdot \frac{100}{1000}

Next Step Evaluate

∴

𝚫G v = 120000000J/m³

LAST Step Rounding Answer

∴

𝚫G v = 1.2E+8J/m³

Volume free energy Formula Elements

Variables

Volume free energy

Volume free energy is the free energy difference between the solid and liquid phases.

Symbol: 𝚫G_v

Measurement: Heat of Combustion (per Volume)Unit: J/m³

Note: Value can be positive or negative.

Formulas to find Volume free energy

Latent Heat of Fusion

Latent heat of fusion or enthalpy of solidification is the heat liberated during solidification. Enter the magnitude only. It is taken negative by default.

Symbol: ΔH_f

Measurement: Heat of Combustion (per Volume)Unit: J/m³

Note: Value should be greater than 0.

Formulas to find Latent Heat of Fusion

Undercooling value

Undercooling value is the difference between the melting temperature and temperature under consideration (below melting temperature). It is also known as supercooling.

Symbol: ΔT

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Undercooling value

Melting temperature

Melting temperature of the metal or alloy in kelvin.

Symbol: T_m

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Melting temperature

Other formulas in Kinetics of Phase Transformation category

Go Critical radius of nucleus

r * = 2 \cdot 𝛾 \cdot \frac{T m}{ΔH f \cdot ΔT}

Go Critical free energy for nucleation

ΔG * = 16 \cdot π \cdot 𝛾^{3} \cdot \frac{{T m}^{2}}{3 \cdot {ΔH f}^{2} \cdot {ΔT}^{2}}

Go Critical radius of nucleus (from volume free energy)

r * = - 2 \cdot \frac{𝛾}{𝚫G v}

Go Critical free energy for nucleation( from volume free energy)

ΔG * = 16 \cdot π \cdot \frac{𝛾^{3}}{3 \cdot {𝚫G v}^{2}}

How to Evaluate Volume free energy?

Volume free energy evaluator uses Volume free energy = Latent Heat of Fusion*Undercooling value/Melting temperature to evaluate the Volume free energy, Volume free energy is the free energy difference between the solid and liquid phases. Volume free energy is denoted by 𝚫G_v symbol.

How to evaluate Volume free energy using this online evaluator? To use this online evaluator for Volume free energy, enter Latent Heat of Fusion (ΔH_f), Undercooling value (ΔT) & Melting temperature (T_m) and hit the calculate button.

FAQs on Volume free energy

What is the formula to find Volume free energy?

The formula of Volume free energy is expressed as Volume free energy = Latent Heat of Fusion*Undercooling value/Melting temperature. Here is an example- 1.2E+8 = 1200000000*100/1000.

How to calculate Volume free energy?

With Latent Heat of Fusion (ΔH_f), Undercooling value (ΔT) & Melting temperature (T_m) we can find Volume free energy using the formula - Volume free energy = Latent Heat of Fusion*Undercooling value/Melting temperature.

Can the Volume free energy be negative?

Yes, the Volume free energy, measured in Heat of Combustion (per Volume) can be negative.

Which unit is used to measure Volume free energy?

Volume free energy is usually measured using the Joule per Cubic Meter[J/m³] for Heat of Combustion (per Volume). Kilojoule per Cubic Meter[J/m³], Kilocalorie (IT) per Cubic Meter[J/m³] are the few other units in which Volume free energy can be measured.

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Volume free energy Formula

Volume free energy Example

Volume free energy Solution

Volume free energy Formula Elements

Other formulas in Kinetics of Phase Transformation category

How to Evaluate Volume free energy?

FAQs on Volume free energy

Variable Name