Answer to Question #345494 in General Chemistry for yow

Question

Heat always flows from a body at a higher temperature to a body at a lower temperature, according to the law. This law applies to all sorts of heat engine cycles, including Otto, Diesel, and others, as well as all types of working fluids. This law has aided the advancement of modern cars Refrigerators and heat pumps based on the Reversed Carnot Cycle are another implementation of this concept. You must give external effort if you wish to transmit heat from a lower temperature body to a higher temperature body. Heat creates work in the original Carnot Cycle, whereas work is given to transport heat from a lower temperature reservoir to a higher temperature reservoir in the Reversed Carnot Cycle. According to these examples give another application of the second law of thermodynamics to real life situation.

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Answer 1

The Second Law of Thermodynamics in Practice:

Heat always flows from a body at a higher temperature to a body at a lower temperature, according to the law. This law applies to all sorts of heat engine cycles, including Otto, Diesel, and others, as well as all types of working fluids.