What about 1/2 that?
The equation tells you that 2 mols HBr were formed with the release of 72 kJ. So 1 mol must release just 1/2 that? right?
The value for ΔH° for the reaction below is -72 kJ. How many kJ of heat are released when 1.0 mol of HBr is formed in this reaction?
H2(g) + Br2(l) = 2HBr(g)
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