Problem: Enter your answer in the provided box.You are given the following data: H2 (g) → 2H (g) ΔH° = -436.4 kJ/mol Br2 (g) → 2Br (g) ΔH° = 192.5 kJ/mol H2 (g) + Br2 (g) → 2HBr (g) ΔH° = -72.4 kJ/mol Calculate ΔH° for the reaction H (g) + Br (g) → HBr (g) 

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Enter your answer in the provided box.

You are given the following data: 

H2 (g) → 2H (g) ΔH° = -436.4 kJ/mol 

Br2 (g) → 2Br (g) ΔH° = 192.5 kJ/mol 

H2 (g) + Br2 (g) → 2HBr (g) ΔH° = -72.4 kJ/mol 

Calculate ΔH° for the reaction 

H (g) + Br (g) → HBr (g) 



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Based on our data, we think this problem is relevant for Professor Sharpe Elles' class at KU.