Vitamin B12 is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement and a prescription medication. Vitamin B12 exists in several forms and contains the mineral cobalt [ 1-4 ], so compounds with vitamin B12 activity are collectively called cobalamins.
Chemical Energy to Thermal Energy. Chemical energy is a potential form of energy that is stored in the chemical bonds that hold atoms together. If bonds are broken, the energy is released, and if bonds are formed, energy is absorbed.Thermal energy is often referred to as heat energy.uring conversions from chemical energy to thermal energy, the energy stored in the chemical bonds are released and this energy causes surrounding molecules to move faster thus increasing the thermal energy of a substance. Examples of Chemical Energy to Thermal Energy: 1. Coal is burned at a power plant.
Chemical energy. Chemical Energy is energy stored in the bonds of chemical compounds (atoms and molecules). It is released in a chemical reaction, often producing heat as a by product (exothermic reaction) .he dry wood is a store of chemical energy. As it burns in the fireplace, chemical energy is released and converted to thermal energy (heat) and light energy. Notice that the wood now turns into ashes (a new substance). Food is also a good example of stored chemical energy.