Chemistry
Chemistry, 12.03.2020 06:05, kay4451

The value of ΔH° for the reaction below is -72 kJ. Therefore, kJ of heat are released when 2.0 mol of HBr is formed in this reaction.

H2 (g) + Br2 (g) → 2HBr (g) ΔH° = -72 kJ

1. 144
2. 162
3. 72
4. 54
5. 0.44

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