Question

siem Set 10 Retin c hemical entillhrim 3. An iron nail is placed rusts (reacts with oxygen to CHEM 1252 October 4, 2019 is placed in a sealed glass jar filled with humid air (the system oxygen to produce Fe2O3), the entropy of the system has decred my? What must have happened to the entropy of the un even though the jar is sealed? air (the "system"). After the nail copy of the universe? How could this have happened ystem has decreased. Aside: umy ideal processes can be thermodynamically "reversible." Why can real processes not be Consider the following reactions. [Note: if this were an exam we would give you an excerpt of

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Answer 1

All naturally occurring processes or real spontaneous processes are breversible because entropy of universe is ! continuously increasing and only inreversible processes increase the entropy of universe entropy is a state. function o proces can be reversible if there is no dissipation Whenever there is a real spontaneous proces occurs, dissipation occuss like flow of water from height During the real, naturally occurring or spontaneous process, energy loss due to intermoleculas friction and collisions , o proces can be reversible if it take the same path to return to its original state.