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MIDDLE SCHOOL

Physical Science

Chemical Reactions

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Chemical Reactions: Chemical Interactions

Conservation of Energy in Chemical Reactions

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Conservation of Energy in Chemical Reactions

Energy is always conserved in a chemical reaction. It cannot be created or destroyed, only transferred or transformed. This is known as the law of conservation of energy. In chemical reactions, energy can be absorbed (endothermic reactions) or released (exothermic reactions). Fo...

Transcript

Did you know a burning candle doesn’t create energy? It simply transforms the wax’s chemical energy into heat and light, following the Law of conservation of energy, which states that energy cannot be created or destroyed, it is only transformed.

When natural gas burns in a furnace, it combines with oxygen, and this chemical reaction relea...

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