Reacted

verb

1. To act or perform a second time; to do over again; to reenact.
2. To return an impulse or impression; to resist the action of another body by an opposite force

   "Every body reacts on the body that impels it from its natural state."

3. To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.
4. To cause chemical agents to react; to cause one chemical agent to react with another.