Calculate, by explicit summation, the vibrational partition functionand the vibrational contribution to the molar internal energy of I2 Molecule At (a) 100 K, (b) 298 K given that its vibrational energy levels lie at thefollowing wavenumbers above the zero-point energy level: 0, 213.30, 425.39,636.27, 845.93 cm−1. What proportion of I2molecules are in the ground andfirst two excited levels at the two temperatures

Explanation:

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o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.