IGCSE Chemistry Edexcel - Energetics: Exothermic and Endothermic reactions - Dr Hanaa Assil

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Exothermic & Endothermic reactions and calculations of Enthalpy change
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Thank you a lot for the video the video is majestic fantastic and Again thank you maam for the video 💖💖

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Is it important to put a negative when calculating energy of bond forming?

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