Solid sulfur reacts with oxygen gas to form sulfur trioxide.



Writing The Word Equation for The Formation of Sulfur Trioxide

To write the word equation based on the statement ”Solid sulfur reacts with oxygen gas to form sulfur trioxide” is a two step process: 1) Identify the chemicals involved; sulfur, oxygen and sulfur trioxide; 2) Determine which are reactants and products. The “to form” separates the sulfur and oxygen reactants from the product sulfur trioxide. The “to form” implies the arrow(➝) in the word equation between the reactants and product. The “reacts with” implies a plus(+) sign between the sulfur and oxygen. The word equation is "sulfur + oxygen ➝ sulfur trioxide”.



© Pat Thayer 2014-2016