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SHABBA027 SHABBA027
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For the reaction: 2A + B2→ 2AB ΔH = +50.0 kJ.

The reaction is endothermic.



▸ Heat is released to the surroundings.

▸ The standard enthalpy of formation for AB is 50.0 kJ.

▸ The bond energy for each A–B bond is 50.0 kJ.

▸ The molecule AB contains less energy than A or B2.
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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edwardssheedwardsshe
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