Identify whether a process follows or violates Second Law of Thermodynamics ?
Answers
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The process which follow second law of thermodynamics:
1. A drop of dye when placed in a beaker of water will eventually result in an evenly coloured solution, even without stirring. The dye molecules diffuse and spread itself as evenly as possible throughout the volume of water.
2. Making snowballs will always make ones hands colder, because thermal energy always flows in a hot-to-cold direction. No material can spontaneously gain thermal energy from colder surroundings. This is because it would require the energy to become spontaneously more concentrated in order for the opposite process to occur. That is, this would involve a spontaneous increase in organization of molecules or energy which would mean the opposite of energy spreading out.
A device that violates the Second Law of Thermodynamics is formally known as a perpetual motion machine of the second kind. A perpetual motion machine is a hypothetical machine that can do work indefinitely without an energy source. This kind of machine is impossible, as it would violate the first or second law of thermodynamics.
Answer:
Explanation:
False:
As first law only talks about conservation of energy.according to first law a net amount of heat transfer from a source of lower..