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10 November, 13:28

Which balanced equation represents a chemical change? A) H2O () + energy → H2O (g) B) 2H2O () + energy → 2H2 (g) + O2 (g) C) H2O () → H2O (s) + energy D) H2O (g) → H2O () + energy

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  1. 10 November, 13:32
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    Although your question is incomplete, I believe 'B' is the answer, as the Oxygen separates from the Hydrogen
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