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Author Question: Calculate the lattice energy for NaCl(s) using a Born-Haber cycle and the following ... (Read 73 times)

burton19126

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on: Feb 15, 2020

Question 1

Calculate the energy change for the formation of LiCl(s) from its elements in their standard states and the following tabulated information:

Li(s) + 1/2 Cl2(g) → LiCl(s)?
Li+(g) + Cl-(g) → LiCl(s)-853 kJ/mol
Li(s) → Li(g)+159.4 kJ/mol
1/2 Cl2(g) → Cl(g)+121.7 kJ/mol
Cl(g) + e- → Cl-(g)-348.6 kJ/mol
Li(g) → Li+(g) + e-+520.2 kJ/mol

◦ -400.3 kJ/mol
◦ +1305.7 kJ/mol
◦ -627.2 kJ/mol
◦ +296.9 kJ/mol

Question 2

Calculate the lattice energy for NaCl(s) using a Born-Haber cycle and the following information:

NaCl(s) → Na+(g) + Cl-(g)?
Na(s) + 1/2 Cl2(g) → NaCl(s)-411.0 kJ/mol
Na(s) → Na(g)+107.3 kJ/mol
Na(g) → Na+(g) + e-+495.8 kJ/mol
1/2 Cl2(g) → Cl(g)+121.7 kJ/mol
Cl(g) + e- → Cl-(g)-348.6 kJ/mol

◦ +787.2 kJ/mol
◦ +34.8 kJ/mol
◦ +1512 kJ/mol
◦ +690.3 kJ/mol
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by burton19126 on Feb 15, 2020

brittrenee

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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burton19126

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Reply 2 on: Feb 15, 2020
Excellent

lcapri7

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Reply 3 on: Yesterday
Wow, this really help

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