The process of inventory management subdivides inventory into a number of categories. Cycle stock inventory is among the most important parts of an overall inventory since it's the first place customer purchases will come from.o determine the cost of cycle stock inventory, a business can use the last-in, first-out method or the first-in, first-out method, which base the price of items in the cycle stock on the most recent or oldest prices paid, respectively.
Energy is required to change the phase of a substance, such as the energy to break the bonds between molecules in a block of ice so it may melt. During a phase change energy my be added or subtracted from a system, but the temperature will not change. The temperature will change only when the phase change has completed.
These energy exchanges are not changes in kinetic energy. They are changes in bonding energy between the molecules. If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. The example we will use here is ice melting into water.