energy evolved in chemical reaction comes from?a.conversion of mass into energy. b. conversion of bond energy into energy c. both a and b. d. neither a nor b
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Energy plays a key role in chemical processes. According to the modern view of chemical reactions, bonds between atoms in the reactants must be broken, and the atoms or pieces of molecules are reassembled into products by forming new bonds. Energy is absorbed to break bonds, and energy is evolved as bonds are made.
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