In 2007, Ho Man “Holly” Tang took a break from her undergraduate biology studies at Iowa State University to join her older brother, Ho Lam “Hogan” Tang, then a doctoral student at the Chinese ...

The reverse process (the addition of water to anhydrous ... The white solid turns blue in the presence of water. A similar reversible reaction takes place between anhydrous cobalt(II) chloride ...

In addition, any unreacted nitrogen and hydrogen are recycled. The reaction is reversible. In a chemical equation, the symbol ⇌ is used instead of an ordinary arrow if the reaction is reversible ...