What is the equation for U in the Equipartition Theorem?

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SUMMARY

The discussion centers on deriving the equation for internal energy (U) in the context of the Equipartition Theorem. The theorem states that energy is distributed equally among all degrees of freedom in a system at thermal equilibrium. Specifically, for a monatomic ideal gas, the equation for U can be expressed as U = (3/2)nRT, where n is the number of moles, R is the universal gas constant, and T is the absolute temperature in Kelvin.

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Hypervalent_Iodine
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Homework Statement
Use the equipartition theorem to estimate the heat capacity of
(i) carbon dioxide, (ii) methane.
Relevant Equations
C=dU/dT
.
 
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Per PhysicsForums rules, we require that you present an attempt at a solution.

In your relevant equations, an equation for ##U## would also be useful.
 

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