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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Gini Gini
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2 years ago
Given the following information, calculate ΔH° (in kcal mol-1) for:  NaI(s) → Na+(g) + I-(g)

Process  ΔH° (kcal mol-1)
Na(s) → Na(g)  +26
I2(g) → 2 I(g)  +36 (per mole I2)
I2(s) → I2(g)  +15
Na(g) → Na+(g) + e-  +118
I(g) + e-→ I-(g)  -71
2 Na(s) + I2(s) → 2 NaI(s)  -699 (per mole NaI)  


▸ 816 kcal mol-1

▸ 823 kcal mol-1

▸ 562 kcal mol-1

▸ 746 kcal mol-1

▸ 798 kcal mol-1
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
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oscar520000oscar520000
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