Using the Following Thermochemical Data:
2Cr(s)+ 6HF(g) $\to$ 0 2CrF₃(s)+ 3H₂(g)

question 5

Multiple Choice

Using the following thermochemical data:
2Cr(s) + 6HF(g) $\to$ 0 2CrF₃(s) + 3H₂(g) $\quad$$\Delta$ H° = -691.4 kJ/mol
2Cr(s) + 6HCl(g) $\to$ 2CrCl₃(s) + 3H₂(g) $\quad$$\Delta$ H° = -559.2 kJ/mol
Calculate $\Delta$ H° for the following reaction:
CrF₃(s) + 3HCl(g) $\to$ CrCl₃(s) + 3HF(g)

• A)-1250.6 kJ/mol
• B)132.2 kJ/mol
• C)66.1 kJ/mol
• D)264.4 kJ/mol
• E)-625.3 kJ/mol

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