The molar heat capacity at constant volume of a metal at, Ask an Expert

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The molar heat capacity at constant volume of a metal at low temperatures varies with the temperature according to the equation

CV/n = (124.8/?)³ T³ + γT,

where Θ is the Debye temperature, ϒ,is a constant, and C_v/n is measured in units of m_J jmol· K. The first term on the left is the contribution attributable to lattice vibrations and the second term is due to the contribution of free electrons. For copper, Θ is 343 K and, is 0.688 m.l/mol K². How much heat per mole is transferred during a process in which the temperature changes from 2 to 3 K?

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