Hydrogen production is the family of industrial methods for generating hydrogen gas. Reaction with hydrogen sulfide produces barium sulfide. They contain carbon, nitrogen, oxygen, hydrogen and phosphorus. Electrolysis consists of using electricity to split water into hydrogen and oxygen. Treatment of sulfur with hydrogen gives hydrogen sulfide. Another method is oxidative cleavage of cyclohexene using hydrogen peroxide. When acids reacted with metals they formed salts and hydrogen gas. This acid immediately dissociates into hydrogen and bicarbonate ions. Syngas is a mixture of hydrogen and carbon monoxide. This is followed by the ionization of the hydrogen and helium atoms. Ammonia is easier to transport safely in tankers than pure hydrogen. His letter discussed current generated from hydrogen and oxygen dissolved in water. He concluded that collisions with hydrogen atoms slowed the neutrons. SOFC systems can run on fuels other than pure hydrogen gas. The negatively charged electron has a mass equal to of that of a hydrogen atom.