Question

fill in the missing word(s) or number(s).
2 hydrogen molecules react with 1 oxygen molecule
to____________________
2 water molecules

Explanation:

Step1: Recall the chemical reaction

The reaction between hydrogen and oxygen to form water is \(2H_2 + O_2
ightarrow2H_2O\). The arrow in a chemical equation represents "produce" or "form".

Answer:

form (or produce)