Question

please help with this.

3. An iron nail is placed in a sealed glass jar filled with humid air (the "system"). After the nail rusts (reacts with oxygen to produce Fe2O3), the entropy of the system has decreased. rAside: why?) What must have happened to the entropy of the universe? How could this have happened even though the jar is sealed? 4. Only ideal processes can be thermodynamically "reversible." Why can real processes not be?

Answer 1

the + 30, 2Fe2O₃ nail The iron nail in a sealed glass jas filled with humid air reacts with the onygen to foem rust (fe203) as shown above in the reaction. The entropy of the system le sealed glass jar! has decreased because the randomness of the jas due to the molecules of air has decrease.. "Because the molecules of onygen react with the iron nail The randomness due to the molecules of Onygen become less than before it is The entropy of the universe become increased due to ! the reason that the formation of rust is exothumi ie the energy or heet releuses out The heat spread out of the gas and flow in the surroundings. The glass jar is sealed but No one system in this universe i u perfectly isothermal Heat releases out from the glass jar into the surroundings