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Use the entropy equation below to answer the question that follows.
S = k × log W In the entropy equation shown, S represents entropy, k is the Boltzmann constant, and W represents the number of ways particles can be arranged. Given this information, which of the following best describes what happens to the variables in the equation above as a compound undergoes a phase transition from solid to liquid to gas?
A system undergoes an exothermic process releasing 2.5 kJ of heat. During this process, the system does 0.5 kJ of work. According to the first law of thermodynamics, what is the change in the system's internal energy?
