Question

Given the following thermodynamic data, calculate the lattice energy of CaBr2(s). Term Value (kJ/...

Given the following thermodynamic data, calculate the lattice energy of CaBr2(s).

Term Value (kJ/mol)

ΔH∘f[CaBr2(s)] -675

ΔH∘f[Ca(g)] 178

ΔH∘f[Br(g)] 112

I1(Ca) 590.

I2(Ca) 1145

EA(Br) -325

Express your answer to four significant figures, and include the appropriate units.

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Answer #1

2-t 2m(_ 329 kJl.mel : +650 h.J_r叫 : 2t ィH--(1st tow-stiou ener @a.(g) Co e- aa (7) 一ー→ ー-(112 x 2) ニー224 k) (G50-1145-590-11

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Answer #2
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Answer #3
Given the following data calculate the lattice energy of potassium chloride Enthalpy of sublimation of potassium = 90.0KJ / mol Bond enthalpy ( BE ) of Cl - Cl = 242.7 KJ / mol Ionization energy ( I ) of K = 419 KJ / mol Electron affinity ( EA ) of Cl = 349 KJ / mol AH ( KCI ) = -435.9 KJ / mol
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