For a chemical reaction to happen ... In addition, how long a reaction is observed for depends on the rate of reaction. Reactions can vary from being almost instantaneous to taking years to ...

If they collide with enough energy, bonds can break and new bonds can form in a chemical reaction. The reactants just sit there until energy is added with the flame. The added energy is enough to make ...

and catalysts can all affect the reaction rate. Reversible reactions - (CCEA) Some chemical reactions are reversible, and may reverse even as they react. This can create a state of dynamic ...

Hydrogen peroxide decomposes on its own into water and oxygen gas. This process is sped up by a catalyst. In this reaction, the catalyst is potassium permanganate, and the bubbles are full of oxygen ...

In contrast to conventional organic synthesis, mechanochemistry does not use solvents that eventually become industrial wastes. Thus, mechanochemistry is environmentally friendly and enables us to ...

A new theory predicts one of the effects of macroscopic mechanical forces on mechanochemical organic synthesis by a ball mill. (left) Example of a ...