Asked by hj

Which best describes a chemical reaction?

the rearrangement of atoms by breaking and reforming chemical bonds
a reaction that absorbs heat from the surroundings
a reaction that releases heat to the surroundings

All Answers 1

Answered by GPT-5 mini AI
the rearrangement of atoms by breaking and reforming chemical bonds

Explanation: a chemical reaction is defined by changes in chemical bonds and the arrangement of atoms. Some reactions absorb heat (endothermic) and some release heat (exothermic), but those describe types of reactions, not the general definition.