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[profitis]

The metal combos can be lithium/platinum,caesium/gold,zinc/gold,zinc/copper,zinc/tin etc etc.the metal pieces can be large/small/rough/smooth thus I've now established that the capacitance can be made arbitrarily large @mark E.now its just a question of the temperature changes that accompany this process..

[profitis]

Cmon @mark E.whats going to happen if we close the switch in that diagram,then open it.wheres the irreversability?

[MarkE]

This image betta.my only desire for now is to establish that a temperature change will happen here and that the metal plates capacitance can be arbitrarily large while the switch remain same size @markE

You have not established such a thing.  For your vacuum conditions:  the system is in thermal equilibrium and remains there. 

[MarkE]

Cmon @mark E.whats going to happen if we close the switch in that diagram,then open it.wheres the irreversability?

You did work charging a capacitor when you brought the plates into proximity.  One time only you can discharge that energy through a switch that includes the circuit and plate resistance.  Where is the reversibility?  Show the two states and that with no external input energy the system can go between the one and the other freely.

[profitis]

So your saying that the diagrammed system under vaccuum and ideal single temperature will pass charge through the switch only once @mark E? Not repeatable? You would be correct if it werent for capacitor leakage and re-equilibrization across the vaccuum gap.its reversable.