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ellie425 ellie425
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2 months ago

Using Hess’s law, what is ΔH°rxnat 25°C for the following reaction?

ClF(g) + F2(g) → ClF3(g)

 2ClF(g) + O2(g) → Cl2O(g) + OF2(g)

ΔH°rxn = +167.4 kJ/mol

 2ClF3(g) + 2O2(g) → Cl2O(g) + 3OF2(g)

ΔH°rxn = +341.4 kJ/mol

 2F2(g) + O2(g) → 2OF2(g)

ΔH°rxn = –43.4 kJ/mol



▸ –217.5 kJ/mol

▸ –130.2 kJ/mol

▸ 217.5 kJ/mol

▸ –108.7 kJ/mol

▸ 465.4 kJ/mol
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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crazyali16crazyali16
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2 months ago
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ellie425 Author
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2 months ago
You make an excellent tutor!
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Yesterday
Thanks for your help!!
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2 hours ago
Good timing, thanks!
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