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The value of H° for the reaction below is 72 kJ. How much heat is released when 1.0 mol of HBr is formed in this reaction.
H2(g) + Br2(g) â 2HBr(g)
HINT: try to do this without a calculator.
144 kJ
72 kJ
0.44 kJ
36 kJ
â72 kJ
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