Chemical Changes and Reactions — CHEMISTRY STD 9 — Question
ICSE BoardEnglish MediumSTD 9CHEMISTRYChemical Changes and Reactions2 Marks
Question
Why energy is involved in a chemical change?
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Answer
In every chemical change, change in energy is involved. There is a difference between the chemical energies of the reactants and products. It involves the breaking up of chemical bonds between the atoms resulting in the absorption of energy in the form of heat and simultaneous formation of bonds with the release of energy.
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