Entropy never decreases in a spontaneous process. Give an example to support this statement. n/a Now choose from one of the following options Why? a) The transfer of energy by heat from colder bodies to hotter bodies is a spontaneous process in which the entropy of the system of bodies increases. b The melting of an ice cube placed in a room causes an increase in the entropy of the room. c The dissolution of salt in water is a spontaneous process in which the entropy of the system increases. d) A plant uses energy from the Sun and converts it into sugar molecules by the process of photosynthesis.

Respuesta :

C. The dissolution of salt in water is a spontaneous process in which the entropy of the system increases.

The entropy of a system is a measure of its disorder. In a spontaneous process, the entropy of a system increases. This is because in a spontaneous process, energy is exchanged between the system and its environment and the entropy of the environment always increases. An example of this is the dissolution of salt in water. Salt is composed of ions, which are charged particles. When salt is placed in water, the ions are attracted to the polar molecules of the water and the salt dissolves. This process is spontaneous because the entropy of the system increases. The entropy increases because the ions become more evenly distributed in the water, creating a higher degree of disorder. The energy released in this process is the result of the attraction between the ions and the water molecules, which lowers the overall energy of the system. This energy is then released as heat, further increasing the entropy of the environment. Thus, the entropy of the system increases due to the spontaneous process of salt dissolving in water.

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