The conversation between human and AI assistant.
What is the collision theory? What are the chemical reactions?
Can you give me an example of a chemical reaction?
Sure. The reaction between hydrogen gas and oxygen gas to form water is an example of a chemical reaction. The formula for this reaction is 2H2 + O2 → 2H2O, which means that two molecules of hydrogen gas react with one molecule of oxygen gas to form two molecules of water.