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In general the quantization of transitional motion is insignificant for atoms because of their mass. However this depends on the dimensions of space to which they are confined. Zeolites are poruous alumnosilicates that can be described by a cube iwht an edge length of one nanometer. Calculate the energy of H2 molecule where nx = ny = nz - 10. By comparing this energy to kT with T = 300K, determine whether a classical or quantum mechanical description can be used.

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