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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pie chart because it is in percents ( % )

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.