# Negative Voltage vs. Negative Pressure

Assume conservation of energy and conservation of charge for a system such that:

$constant_{1}=energy_{system}/charge_{system}$

$constant_{2}=energy_{system}=constant_{1}*Coulombs$

$constant_{1}=voltage_{system}$

What is "negative" voltage?

I am doing the following right? Or is the relationship between negative voltage and negative pressure not this easy?

Assume that the system of charged particles is not in equilibrium. Assume that the system is closed. The charges will clump irregularly. The spaces in between will have negative voltage. If we assume that these parts of the systems compose mostly of cations (e.g. H+), this means that energy in the gaps between the charge clumps is negative. The empty regions would have a negative pressure, because energy corresponds to pressure * volume.

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Gokul43201
Staff Emeritus