Risperdal (risperidone) FDA ALERT [04/2005] Risperdal is a type of medicine called an atypical antipsychotic. FDA has found that older patients treated with atypical antipsychotics for dementia had a higher chance for death than patients who did not take the medicine. This is not an approved use.
In chemistry, phase refers to one of the four states that a substance can exist in; liquid, solid, gas, or plasma. A phase has uniform composition and properties. A phase change is when a substance changes from one phase to another.Freezing is when a liquid changes phase and becomes a solid. Freezing involves the loss of energy in the form of heat. At freezing, not only is there a loss of energy, but there is also an increase in the order of the particles in the substance.n chemistry, phase refers to one of the four states that a substance can exist in; liquid, solid, gas, or plasma. A phase has uniform composition and properties. A phase change is when a substance changes from one phase to another. Every change has a different name.
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. This energy is released during digestion.