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This thermodynamic cycle describes the formation of an ionic compound M X from a metal element M and nonmetal element X in thjWhat is the lattice enthalpy of M2X ? kJ/mol What is the heat of formation of M2X ? kJ/mol O More stable. o Less stable. Supp

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diagram 2 MIO+ 2e + x goo 9). 800 Erbov 700 foo Ionisation IE= 550 MO - - - - - - - - - - 500 - K n ol 2 mat xo) HAPL energy

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