Question: For the thermochemical equation H2(g) + Br2() ( 2HBr(g) H = 72.6 kJ What mass of HBr will be formed when 553 kJ of energy

For the thermochemical equation
H2(g) + Br2(ℓ) ( 2HBr(g) ΔH = −72.6 kJ
What mass of HBr will be formed when 553 kJ of energy are given off?

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