In nitrogen fixation, the electrical energy of a lightning strike breaks up nitrogen molecules in the atmosphere to form ...

An acid and alkali will neutralise each other and produce a salt and water. This is called a neutralisation reaction. The name of the salt produced can be worked out from the names of the acid and ...

This process is sped up by a catalyst. In this reaction, the catalyst is potassium permanganate. The reaction produces a lot of heat so the substance shooting out of the bottle is water vapor that is ...

In the reaction, the bonds in the methane and oxygen molecule come apart, the atoms rearrange and then re-bond to form water and carbon dioxide. The little number written at the lower right after an ...