For the reaction: 2A + B2 → 2AB ΔH = +50.0 kJ.
A) The reaction is endothermic.
B) Heat is released to the surroundings.
C) The standard enthalpy of formation for AB is 50.0 kJ.
D) The bond energy for each A-B bond is 50.0 kJ.
E) The molecule AB contains less energy than A or B2.
Correct Answer:
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