# hydrogen gas formula

5.3: Types of Chemical Reactions » Jun 5, 2019… 1: Zinc metal reacts with hydrochloric acid to give off hydrogen gas in a single-replacement reaction.… The formula for ethanol is C2H5OH. Chem.libretexts.org

Single replacement reactions (article) | Khan Academy » Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Khanacademy.org

Hydrogen: What’s the difference between H, H2, H+, H- and OH- ? » Distinguishing between the different forms of Hydrogen can be confusing to those of us who flunked high school chemistry. This article is an attempt to clarify the differences between H, H2, H+, H- and OH-. Watermatters.ca

7.10: Classifying Chemical Reactions » Chemical reactions are classified into types to help scientists analyze them, and also to help scientists predict what the products of the reaction will be. The five major types of chemical reactions … Chem.libretexts.org