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For the Reaction: AgI(s)+ Br2(g) →\to AgBr(s)+ I2(s) Δ\Delta H° = -540 KJ

Question 78

Multiple Choice

For the reaction: AgI(s) + For the reaction: AgI(s) + Br<sub>2</sub>(g) \to AgBr(s) + I<sub>2</sub>(s) , \Delta H° = -54.0 kJ \Delta H<sub>f</sub>° for AgBr(s) = -100.4 kJ/mol \Delta H<sub>f</sub>° for Br<sub>2</sub>(g) = +30.9 kJ/mol The value of \Delta H<sub>f</sub>° for AgI(s) is: A) -123.5 kJ/mol B) +77.3 kJ/mol C) +61.8 kJ/mol D) -77.3 kJ/mol E) -61.8 kJ/mol Br2(g) →\to AgBr(s) + For the reaction: AgI(s) + Br<sub>2</sub>(g) \to AgBr(s) + I<sub>2</sub>(s) , \Delta H° = -54.0 kJ \Delta H<sub>f</sub>° for AgBr(s) = -100.4 kJ/mol \Delta H<sub>f</sub>° for Br<sub>2</sub>(g) = +30.9 kJ/mol The value of \Delta H<sub>f</sub>° for AgI(s) is: A) -123.5 kJ/mol B) +77.3 kJ/mol C) +61.8 kJ/mol D) -77.3 kJ/mol E) -61.8 kJ/mol I2(s) , Δ\Delta H° = -54.0 kJ
Δ\Delta Hf° for AgBr(s) = -100.4 kJ/mol
Δ\Delta Hf° for Br2(g) = +30.9 kJ/mol
The value of Δ\Delta Hf° for AgI(s) is:


A) -123.5 kJ/mol
B) +77.3 kJ/mol
C) +61.8 kJ/mol
D) -77.3 kJ/mol
E) -61.8 kJ/mol

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