(Answered) What is the molar enthalpy of sublimation vaporization of a

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What is the molar enthalpy of sublimation (vaporization of a solid) delta Hsublimation of sodium chloride, NaCl (s) to gaseous NaCl (g) if its heat of melting delta H melt is 28.9 KJ/mol, and its heat of vaporization, delta Hvaporization is 255 KJ/mol?

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