Physical Properties I. State

May 23rd, 2014 | by Javier Romero

Most substances on earth can change from gas, liquid or solid state depending on the temperature and pressure of their


First Post :)

May 3rd, 2014 | by Javier Romero

When somebody starts a project, it’s neccesary to analize many different sources. I’ll try to give you many information about



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