Calculate the Lattice Enthalpy of Calcium Oxide from the Following

question 41

Multiple Choice

Calculate the lattice enthalpy of calcium oxide from the following data. enthalpy of formation of Ca(g) : +178 kJmol^1
First ionization energy of Ca(g) : +590 kJmol^1
Second ionization energy of Ca(g) : +1150 kJmol^1
Enthalpy of formation of O(g) : +249 kJmol^1
First electron affinity of O(g) : +141 (H = 141) kJmol^1
Second electron affinity of O(g) : 844 (H = +844) kJmol^1
Enthalpy of formation of CaO(s) : 635 kJmol^1

• A)1817 kJ  mol ^{ 1}
• B)1391 kJ  mol ^{ 1}
• C)2235 kJ  mol ^{ 1}
• D)3754 kJ  mol ^{ 1}
• E)3505 kJ  mol ^{ 1}

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