Each phase of matter can be described according to the relative amount of intermolecular forces (IF) holding the molecules together compared to the kinetic energy (KE) of those molecules. Match each of the following phases of matter to the proper description of its intermolecular forces and kinetic energy of molecules. options: Intermolecular forces much greater than the kinetic energy of the substance. Negligible intermolecular forces with a high degree of kinetic energy. Intermolecular forces (IF) present however, kinetic energy is slightly greater than the IF. 1. Gas 2. Liquid 3. Solid

the dissolution of polymer can be thermodynamically described in 2 steps.

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chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.