13. When heated, rhombic sulfur transforms into monoclinic ΔV=0.138*10-6 m3/g. The transition temperature at P=1 atm is 96.7 C, and dT/dP=3.26*10-7 K/Pa. Determine the molar heat of transition. Compare the result of the calculation with the value found from the heat of combustion:
ΔHrhombus cg=-296.813 kJ/mol; ΔHmon cg.=-297.148 kJ/mol.

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