Answer to Question #77608 in Physical Chemistry for Frank

Question #77608
Is the joining together of oxygen atoms to form oxygen molecules exothermic?
1
Expert's answer
2018-05-29T06:34:03-0400
When two atoms join together to make a chemical bond, heat energy is given out. Bond making is anexothermic change. An example is the covalent bond formed between two oxygen atoms to forma oxygen molecule.

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