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Recently Added Physical Formulas

· Heat Capacity
· Thermodynamics - Introduction
· Van der Waals' Equation
· Clausius–Clapeyron Relation
· Gibbs Free Energy

Additional Formulas

· Thermodynamics - Introduction
· First Law of Thermodynamics
· Ideal Gas Law
· Van der Waals' Equation
· Clausius–Clapeyron Relation
· Density
· Molar Mass
· Molar Volume
· Helmholtz Free Energy
· Internal Energy

Current Location > Physics Formulas > Thermodynamics > Internal Energy

Internal Energy

The internal energy is given by:

Where:
n: number of moles
R: molar gas constant which is given by 8.31J mol-1K-1
T: temperature
γ: ratio of heat capacities defined as

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