dfgfrshg dfgfrshg 25-01-2016 Chemistry contestada 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
